A light sculpture titled "1.26" by Janet Echelman of the U.S. hangs over #Amstel river during the opening of Amsterdam #Light #Festival in #Amsterdam December 7, 2012. Light s#culptures from contemporary artists will be on display during the festival, which celebrates light and #water, at the city centre of Amsterdam from December 7, 2012 to January 20, 2013. REUTERS/Michael Kooren