To the east of the country, on the banks of the Yangtze River, Zhenjiang has also gone big with sponges.
在祖国的东部,长江之滨,镇江也因海绵而大放异彩。
China Daily Live
This action of pouring hot water is called dian, hence the name dian cha, which was listed as an intangible cultural heritage of Runzhou district, Zhenjiang city, Jiangsu province, in 2019.
Zhenjiang (Chinese:镇江) is a city in Jiangsu province, in eastern China. Sitting on the southern bank of the Yangtze River, Zhenjiang is governed as a prefecture-level city and was formally the provincial capital of Jiangsu before being replaced by Nanjing. It borders Nanjing to the west, Changzhou to the east, and Yangzhou across the river to the north.