Dozens of Chinese cities have been hit by scorching heat, melting roofs, sinking roads, and people fleeing underground shelters in search of cold.

At 11:00 (03:00 GMT) today, 68 cities, including nearby Shanghai and Nanjing, raised their warning levels to red, the highest level in the three-degree heat warning system. next 24 hours.

Shanghai, which is still battling a Covid-19 outbreak, is warning its 25 million residents to prepare for hot weather this week. Since record keeping began in 1873, Shanghai has been exposed to temperatures over 40 ° C in just 15 days.

Nanjing, one of China’s three hottest summer regions, has opened its underground shelters to residents since Sunday, with fortified military bunkers equipped with Wi-Fi, books , dispensers and even microwaves. Today, the city has declared a red alert level.

In Chongqing, the second hottest region, the roof of the museum melted and the traditional Chinese roof tiles came out as the heat melted the resin layer underneath. The city was declared a red alert level yesterday.

Chongqing has also deployed sprinkler trucks to keep the roads cool.

The central city of Wuhan, China’s third hottest region, is also expected to experience high temperatures, humidity and ultraviolet rays this week.