Plus, Peugeot unveils a six-seater car, the number of cars on the world's roads tops one billion, a smartphone system could cut fuel consumption and more Motoring news. Read Article Russia plans Bering Strait tunnel to US
More than 200,000 people marched across the country to vent their anger at the government's lavish spending in demonstrations which were initially triggered by a rise in bus fares. Brazil hit by largest protests in 20 years
The Saudi prince currently developing the world's tallest tower has invited the Dubai developer Emaar to help to develop an even higher building - a mile high - in one of the world's largest cities. Going for a mile-high building
