Simplify the following text for a Grade 4 native English-speaking person.
Original: It hosted the contemporary art exhibition the Biennale of Sydney in 2008 , attracting over 80,000 visitors over 12 weeks , and is hosting the 2010 Biennale 12 May to 1 August 2010 .
Simplified: More than 80,000 visitors went to the show over 12 weeks . The 2010 Biennale will be also held on the island .