<br>By Xiaoyu Yin and Tony Munroe<br> <br>BEIJING, May 26 (Reuters) – On a hot, sunny day, children and adults splashed in the cool run-off of the Yongding River in a park on the western outskirts of Beijing, a city under near-lockdown in China’s head-on battle with COVID-19.<br> <br>While gatherings are discouraged and many parks in the sprawling…[Read more]