A man takes an escalator next to art installation "The Tree" by design group FARM of Singapore during a media preview of Singapore's Night Festival at the National Museum July 8, 2009. The Night Festival begins on July 10 and will feature public performances and public art installations. The Tree is a contemporary reinterpretation of the Banyan tree and is constructed by a series of interlocking frames with lights that pulsate according to the sound levels around it. REUTERS/Edgar Su (SINGAPORE SOCIETY)