Open Call: International Mail Art Project – A23a: The World’s Largest Iceberg Join us in raising awareness of climate change through art! Duration of the mail art exhibition: 01.08.2025 – 31.08.2025 We invite artists worldwide to participate in a unique Mail Art project addressing climate change through the story of A23a, the world’s largest iceberg. Background A23a calved from the Antarctic Filchner-Ronne Ice Shelf in 1986 and remained grounded for decades. After breaking free in 2000, ocean currents held it […]