The wind tunnel is called "the cradle of airplanes". What famous wind tunnels are there in the world and what are there in China?

Yes

There are five wind tunnels in China.

They are China Aerodynamics Research and Development Center, XNJD-3 Wind Tunnel of Southwest Jiaotong University, Jilin Wind Tunnel Laboratory, Chang 'an University Wind Tunnel Laboratory and JF 12 Hypersonic Replication Wind Tunnel.

In addition to China, countries with wind tunnels include the United States, Russia, Britain and France.

In fact, it is the five permanent members of the United Nations.

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