Gao Min mentioned four key elements:

1. The error tolerance for the 50m swimming lane is only 2mm, far more less than international standard of 1cm.
2. Water quality is better.
3. The floor around the swimming pool is heated to keep the athletes warm before the game.
4. Water recirculating process technologies on the walls of the pool. They were designed  and built to absorbed more currents/waves to reduce the resistance.

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