Crown Prince Frederik of Denmark attends the opening of the conference "The 2030 Countdown - Securing jobs, growth and people in a new green era" Crown Prince Frederik is patron of State of Green. Copenhagen April 9, 2021 Photo: Martin Hoeien / Aller Foto & Video. 09 Apr 2021 Pictured: Crown Prince Frederik. Photo credit: Martin Hoeien/Aller/MEGA TheMegaAgency.com +1 888 505 6342