Biennial art festival transforms Havana

Vendors push a cart containing fruits and vegetables past an installation by Cuban-American artist Jose Parla titled "Wrinkles of The City" as part of the 11th Havana Biennial contemporary art exhibition in Havana, Cuba, Thursday, May 10, 2012. (AP Photo/Javier Galeano)
Vendors push a cart containing fruits and vegetables past an installation by Cuban-American artist Jose Parla titled "Wrinkles of The City" as part of the 11th Havana Biennial contemporary art exhibition in Havana, Cuba, Thursday, May 10, 2012. (AP Photo/Javier Galeano)

Havana's always bustling streets are even more colorful than usual these days, with May 11's kickoff of the Cuban capital's Biennial art festival.