Soldiers help a member of the Presidential Guard, known as Evzonas, during the changing of the guard as snow falls at the tomb of the Unknown Soldier in Athens, Tuesday, Feb.16, 2021. A cold weather front has hit Greece, sending temperatures plunging from the low 20s Celsius (around 70 Fahrenheit) on Friday to well below freezing on Tuesday, and heavy snowfall in central Athens. (AP Photo/Thanassis Stavrakis)