Floods are becoming more common and more dangerous in many parts of the world. Heavier rainfalls, unpredictable storms, and outdated infrastructure make it harder for cities to cope. In China, that challenge has reached a breaking point.

At least 30 people have died in Beijing and more than 80,000 were evacuated to safety, Chinese authorities said, as heavy rains and floods ravage roads and houses in northern China. Eight other people died after a landslide on Monday in Chengde city,

Heavy rains prompted flood warnings as a landslide killed at least 4 people, forcing thousands to evacuate as rising waters caused widespread damage.