Walls of water: Hokusai and the Great Wave of Camberwell

A sell-out exhibition at the British Museum has proved once again the popularity of Japanese artist Katsushika Hokusai, whose Great Wave is said to be the world's most reproduced image. One mural in south London was nearly wiped out when a drug lab exploded next door, but as Alex Marshall explains, there are many more on walls around the world. In 1997, Dominic Swords, wanting to shake-up his life