The Conversation - How do you paint a 350 metre square mural? - ÃÛÑ¿´«Ã½ Sounds

The Conversation - How do you paint a 350 metre square mural? - ÃÛÑ¿´«Ã½ Sounds
How do you paint a 350 metre square mural?
Olga Alexopoulou is a graffiti artist who brings serene images to troubled cities