This contraption may not look very impressive… But when the bicycle-powered helicopter defied gravity, it caused great excitement.
Thailand's police force is in a battle to beat the bulge. It might not be the most rigorous training but these officers are trying their hardest.
Fire eats up the forest in Arizona. This is the deadliest wildfire involving firefighters in the US for 30 years.
450 metres above a gorge near the Grand Canyon. With no safety harness, American acrobat Nik Wallenda walks the tightrope.