China builds ship ‘elevator’ on the Jialing River #CGTN

China builds ship ‘elevator’ on the Jialing River
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On the Jialing River, a “water elevator” carries ships in a giant, water-filled lock between upstream and downstream river levels. Based on the principle of communicating vessels, the river lock lowers by releasing water until it matches the downstream level, allowing ships to pass through smoothly. #ChinaSeen (Video courtesy of @Dafeifei1987)

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