Earth Hour Global:
Earth Hour Vietnam 2013, Concert in front of the Hanoi Opera House
Earth Hour Global:
Earth Hour Vietnam 2013, Concert in front of the Hanoi Opera House
Earth Hour Global:
Earth Hour Vietnam 2013
Earth Hour Global:
Earth Hour Vietnam 2013
Earth Hour Global:
Earth Hour 2013 Vietnam
Earth Hour Global:
Earth Hour Vietnam 2013
Earth Hour Global:
Earth Hour Vietnam 2013
Earth Hour Global:
Earth Hour Vietnam 2013