The fragility of friendship and love … Ragnar Kjartansson in The Visitors (2012)

Photograph: Courtesy of the artist, Luhring Augustine, New York and i8 Gallery, Reykjavík

The best art of the 21st century | Art and design | The Guardian

Steve McQueen in bed, Ai Weiwei in trouble, Pussy Riot in church and Ragnar Kjartansson in the bath – they’re all included in our countdown of the best art since 2000