SINGAPORE - JUNE 23:  The iconic two cool-dry conservatory dome and the Supertrees Grove (L) are lit up on June 23  ahead of its official opening on June 29, 2012 in SIngapore.  Singapore's newest attraction, Gardens by the Bay, located at the heart of the Marina Bay is a 101 hectare gardens which includes two greenhouses and 220,000 plants from all over the world.  (Photo by Suhaimi Abdullah/Getty Images)