The young people will also visit key venues in Maritime Greenwich, enjoy a special boat trip and treasure hunt using a specially devised mobile phone app, take part in a large-scale dance extravaganza, Making Waves, and enjoy a conference opening event in the spectacular Painted Hall at the Old Royal Naval College, a location for many celebrated movies including Pirates of the Caribbean: on Stranger Tides.

UNESCO: 2012 UNESCO Youth Summit

British television presenter Gail Porter was also at the tribute: "As soon as I saw it on Twitter, I thought 'let's go and have a dance', " she told CNN while twittering away on her cell phone.

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