When we talk about the world's largest stadium, we are talking about impressive buildings not only in scale but also in design and purpose.
Imagine you come to a football game and see that the crowd there is watching the game in a deadly silence. Where did the bustling noise go?
The Forest Green Rovers club in the UK plans to build a new environment-friendly stadium, accommodating 5,000 spectators.
Taiwan is building the first stadium in the world to use solar energy to produce electricity. It will serve the World Games sports event in July.