A man walks in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)

A cyclist rides in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)

A cyclist rides in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)

A man walks in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)

A rickshaw puller carries passenger in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)

A woman walks in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)

A man walks in heavy rain in Kolkata, India, on July 28, 2019. India is currently having its monsoon season that will last till September. (Xinhua/Tumpa Mondal)