Lights will go off in some 7,000 cities around the world for this weekend's Earth Hour event, which will aim to raise hundreds of thousands of dollars for environmental projects worldwide.
Russia, the United Arab Emirates, Turkey and Brazil will Wednesday find out if their chosen cities have won the right to host the 2020 World Expo, an event which boosts tourism and business.
Queen Elizabeth II dutifully sits through endless hours of displays of military pomp rehearsed to the second -- and secretly loves it when everything goes wrong.