The Shichahai open-air swimming pool (什刹海游泳池).
The text below left: The Beijing People's Swimming Pool was built on the site of the abandoned Shichahai. In summer, the water is fresh and suitable for swimming. During the summer vacation, many people in Beijing come here to exercise (北京市人民游泳场是就荒废了的什刹海旧址新建起来 的。在夏天,池水清新,适宜游泳。暑期中,北京市人 民多到这里来锻炼身体。).