What was the original name of the Bird's Nest?

The original name of "Bird's Nest" is "B 1 1". Since the design of the National Stadium was announced to the public, the "Bird's Nest" has become synonymous with the current implementation scheme, but it was not named by the designer, but was called "B 1 1" in the evaluation process.

The components of the whole stadium structure support each other to form a grid-like frame, which looks like a bird's nest woven with branches. Its gray mineral-like steel mesh is covered with transparent film material, which includes a reddish bowl-shaped stadium stand. Here, the hollow-out technology, ceramic lines, the red brilliance and enthusiasm in China traditional culture are perfectly integrated with the most advanced modern steel structure design.

The whole building is connected by Disney's giant network structure, and there are no columns inside. The grandstand is a complete bowl shape, without any cover, just like a huge container, which brings incredible drama and unparalleled shock to the stadium.