Sanya recently put itself on the map in the nascent world of undersea tourism, with the addition of a “tourist submarine” to its already impressive array of tourism offerings.
According to Ye Cong, the chief designer of China’s manned deep-sea submersible “Huandao Jiaolong I,” the submarine is 7.9 meters long, 3.6 meters wide and 4.4 meters tall, and weighs 23.9 tons. The tourist submarine is capable of transporting nine passengers and two crew members to depths of 40 meters.
It’s said that there are around 100 different submersibles in the world built for three to five passengers, and the “Huandao Jiaolong I” tourist submarine is the largest, with an entirely transparent pressurized hull that can carry up to nine passengers.
Equipped with a power-supply system, life-support system, GPS navigation system, buoyancy regulating system, and central air-conditioner in the passenger cabin, the submarine is designed to provide passengers with a comfortable environment from which to view the undersea world.
The deep-diving tourist submarine is now undergoing a trial run at Yalong Bay. During the trial run, doughty tourists are welcome to be among the first to give this rare underwater experience a try.



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