How can people fly in the sky? David Blaine did so with some balloons! He is a magician (魔术师) in the US. He is 47 years old. He loves challenging (挑战) limits.
Recently, he flew about 7.5 kilometers high in the sky. Airplanes also fly at this height (高度). He hold 52 balloons with helium (氦气) inside. Wow, that’s so brave! Later, he let the balloons go. He came down to the ground with a parachute (降落伞).
Blaine’s adventure was dangerous. Luckily, he has a safety team with him all the time. Also, a helicopter (直升机) followed him during the adventure.