A man plants sunflowers in his garden near a damaged Russian tank and its turret in the village of Velyka Dymerka, Kyiv region, Ukraine, Wednesday, May 17, 2023. (AP Photo/Efrem Lukatsky)

Hundreds of graves, mostly unnamed, where the remains of civilians killed by Russian forces are buried, close to a town cemetery near Brovary, east of the capital Kyiv, Ukraine, Wednesday, May 17, 2023. (AP Photo/Efrem Lukatsky)

Hundreds of graves, mostly unnamed, where the remains of civilians killed by Russian forces are buried, close to a town cemetery near Brovary, east of the capital Kyiv, Ukraine, Wednesday, May 17, 2023. (AP Photo/Efrem Lukatsky)

13-year-old Andriy Shyrokyh (L) and 10-year-old Maksym Mudrak, wearing battle fatigues and homemade body armour, play a war game in a village of Stoyanka, Kyiv region, which was occupied by Russian troops during the beggining of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play at in a verdant Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, 10-year-old Maksym Mudrak and Valentyn 6, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (L)and 10-year-old Maksym Mudrak, wearing battle fatigues and homemade body armour, "patrol a street" as they play a war game in the village of Stoyanka, Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play at in a verdant Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, 10-year-old Maksym Mudrak and 6-year-old Valentyn, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, 10-year-old Maksym Mudrak and 6-year-old Valentyn, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (C) and 10-year-old Maksym Mudrak, wearing battle fatigues and homemade body armour, play a war game in a village of Stoyanka, Kyiv region, which was occupied by Russian troops during the beggining of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, wearing battle fatigues and homemade body armour, digs a trench and dugout as he and his friends play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, 10-year-old Maksym Mudrak and Valentyn 6, wearing battle fatigues and homemade body armour play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (R) and 10-year-old Maksym Mudrak (L), wearing battle fatigues and homemade body armour, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (R) and 10-year-old Maksym Mudrak (L), wearing battle fatigues and homemade body armour, run through a field as they play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (R) and 10-year-old Maksym Mudrak (L), wearing battle fatigues and homemade body armour, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

10-year-old Maksym Mudrak (L) and 6-year-old Valentyn (R) play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (R) and 10-year-old Maksym Mudrak (L), wearing battle fatigues and homemade body armour, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (L) and 10-year-old Maksym Mudrak (R), wearing battle fatigues and homemade body armour, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (R), 10-year-old Maksym Mudrak (C) and 6-year-old Valentyn (L), wearing battle fatigues and homemade body armour, play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (L)and 10-year-old Maksym Mudrak, wearing battle fatigues and homemade body armour, dig a trench and dugout as they play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (L) and 10-year-old Maksym Mudrak (R), wearing battle fatigues and homemade body armour, play a war game in a field in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh (R), 10-year-old Maksym Mudrak (C) and 6-year-old Valentyn (L) patrol as they play a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, wearing battle fatigues and homemade body armour, rests after playing a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

10-year-old Maksym Mudrak (C) and 6-year-old Valentyn (L), wearing battle fatigues and homemade body armour, talk with another boy after playing a war game in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

13-year-old Andriy Shyrokyh, wearing battle fatigues and homemade body armour, plays a war game in a field in the village of Stoyanka, in Kyiv region, which was occupied by Russian troops during the beginning of the Russian invasion last year, on May 11, 2023. The boys wear secondhand helmets and their guns cannot kill, but the war they play in a Ukraine field is real for them and carries consequences. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by Sergei SUPINSKY / AFP)

Ivan and Marya Sergiyenko walk past a tank at the open air exhibition of Soviet armoured equipment in Novi Petrivtsi, Kyiv region on May 9, 2023, amid the Russian invasion of Ukraine. Over a year into Russia's invasion, the fighting has seeped into Ukrainian children's play and worldviews, doing damage they will carry forever. (Photo by SERGEI CHUZAVKOV / AFP)