The world's imagination was gripped on March 17th, 2010, when the spectacular Sydney Opera House was bathed in shades of green. The Global Greening to celebrate St Patrick's Day has spread every year since then, with many of the world's most famous buildings and iconic sites light up in shades of green.
The London Eye, Niagara Falls, Rome's Colosseum, the Leaning Tower of Pisa, the Moulin Rouge, the Gateway of India and many dozens of others...