How to take pictures without buying tickets for the Bird's Nest Water Cube?

Shooting outside. According to the query of Convergence Photography Network, you need to buy tickets to visit the Bird's Nest Water Cube in the gymnasium, and you don't need to buy tickets to take pictures in the square outside, so you can shoot the Water Cube and the Bird's Nest at the same time. Bird's Nest Water Cube and Olympic Park are located in Beijing's North Fourth Ring Road and North Fifth Ring Road, with convenient transportation, surrounding high-rise buildings and complete facilities.