Chinese citizens have taken to social media to marvel over the cleanliness of the water that recently flooded a subway in eastern Japan.

Chinese citizens amazed by cleanliness of Japan's floodwater

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Cheryl Santa Maria

Digital Reporter

Monday, September 14, 2015, 5:06 PM - Chinese citizens have taken to social media to marvel over the cleanliness of the water that recently flooded a subway in Japan.

Approximately 2.8 million people have been advised to evacuate eastern Japan after Tropical Storm Etau drenched the region -- but it was images of a subway in the city of Hamamatsu that seemed to garner the most attention on the Chinese social media site Weibo.

The images quickly went viral with many users commenting the water in the subway looked comparable to that of a swimming pool.

"In China,” one Weibo user said, according to the Hong Kong Free Press (HKFP), “[the water] would be like black sesame soup.”

The photos have sparked a lively conversation about the quality of the water, and why it looks so clean.

Some think it may have to do with geography.

“Islands have less mud, so of course they’re cleaner than somewhere with many mountains and rivers. You can’t compare such a different geographical environment to China,” a Weibo user said according to HKFP.

Others have said there's no way the water could be that clear, arguing the images must be digitally altered.

HEAVY FLOODS DEVASTATE EASTERN JAPAN

At least 27 people have been injured and seven people have been killed by intense flooding in eastern Japan.

Flood-waters are receding, but rescue operations are still underway in the city of Joso, one of the worst-hit cities.

Fifteen people have been reported missing.

On Saturday, Japanese Prime Minister Shinzo Abe visited the disaster area to assess damages.

Source: HKFP | The Daily Mail