Great Wall of China
Media playback is unsupported on your device
Video

Global landmarks turn blue to mark UN's 70th anniversary

Iconic landmarks across the world have turned blue to mark the 70th anniversary of the United Nations.

The UN's HQ in New York, Sydney Harbour Bridge and the Great Wall of China were among the monuments lit up in celebration.

  • 24 Oct 2015
Go to next video: Why does UN General Assembly matter?