Singer of the Russian pop band "Aquaerobica" Alexandra Frolova (L) performs as artist Andrey Bartenev dances in front of the stage during Bartenev's exhibition opening at the Moscow Biennale March 7, 2007. The 2nd Biennale in Moscow presents the works of more than 80 artists at five main exhibitions, more than 25 special projects and eight shows by special guests. It will run until April 1. REUTERS/Thomas Peter (RUSSIA)