Ai Weiwei Works at the Venice Biennale; "Beijing Silvermine" Photographic Exhibition; Pianist Simon
b'Artist Ai Weiwei is under surveillance most of the time and not allowed to travel out of China. Despite that, he has three works on show in the 55th Venice Biennale, which runs until November 24th. As he is not permitted to travel, his mother Gao Ying ...'