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A subway station in the Chinese city of Zhengzhou.
The platform has turned into a raging river.
People try to get to safety along the tracks.
These shots from inside a wagon are particularly oppressive.
According to local media, the people who can be seen in these pictures were later rescued by rescue workers cutting open the roof of the train.
According to the authorities, hundreds of passengers could be brought to safety.
Some weren't so lucky.
In another subway, twelve people were killed by the floods.
Above the ground it was no less dramatic in some places.
The authorities have declared the highest level of alert in Henan Province.
By Wednesday morning, nearly 200,000 residents in Zhengzhou had been brought to safety.
36,000 people were directly affected by the floods.
The heavy floods are the result of record rainfall. Within three days, as much rain fell over the city as usual in a whole year - on Tuesday afternoon, according to the Henan Province weather agency, it was 200 liters per square meter within an hour. In China there are floods every year. According to experts, climate change leads to such extreme storms more often.
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