ලෝකයේ පැරණිම ජලමානය බලන්න දෙන දිය යට කෞතුකාගාරය

Watch China's oldest hydrological station at underwater museum

First opened in 2009, Baiheliang Museum is China's first underwater museum in the section of the Yangtze River in Fuling City, southwest China's Chongqing Municipality.

The museum is accessible to visitors without having to dive. Instead, visitors can take an escalator of 91 meters long to reach a depth of about 40 meters underwater in the Yangtze River in a short time. Through the observation windows, people can admire the inscriptions on the ridge underwater up close.

Baiheliang, literally "White Crane Ridge", is a 1,600-meter-long and 15 meter-wide smooth stone ridge engraved with inscriptions about China's longest river, dating from 763 in the Tang Dynasty to the early 20th century.

It is claimed to be the world's oldest hydrographic survey device and is one of the four state-level national treasures in the Three Gorges area.

On the huge rock are 20 fish sculptures that serve as water-level markers and about 30,000 characters of Chinese poems from different dynasties.

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