Hundreds of thousands of people gathered along the lakefront in the US city of Chicago for the 60th annual Chicago Air and Water Show that kicked off on Saturday. /VCG Photo

As the largest free event of its kind, the show has brought nearly one million people to the lakefront to witness the spectacular performance of the air force, including Air Force Thunderbirds, The Army Golden Nights, The Navy Leap Frogs, etc. /VCG Photo

The US Army Golden Knights, who brought along the Chicago rapper Rhymefest on the flight, along with the Navy Leap Frogs, opened the show with a parachute landing at 10 am. /VCG Photo

Aircrafts flew in formation while doing amazing tricks in the sky. /VCG Photo