Curator says theme at Venice Biennale is to provoke questions Ralph Rugoff, art curator of this year's 58th Biennale of Art in Venice, tells AFP that the event will not feature a particualar theme but rather facilitate artists from all over the world to raise a lot questions. IMAGES of installations at the 58th Venice Biennale AND SOUNDBITES of Ralph Rugoff, art curator of the 58th Venice Biennale*REFILING WITH CORRECTED LEAD*