Photo taken on May 20, 2020 shows the impact of cyclone "Amphan" in the Khulna district, some 200 km from Dhaka, Bangladesh. Bangladesh on Wednesday raised its storm danger signal to the highest level of 10 as "very severe" cyclone "Amphan" formed in the Bay of Bengal is heading towards its coastlines. (Photos: Xinhua)

Photo taken on May 20, 2020 shows the impact of cyclone "Amphan" in the Khulna district, some 200 km from Dhaka, Bangladesh. Bangladesh on Wednesday raised its storm danger signal to the highest level of 10 as "very severe" cyclone "Amphan" formed in the Bay of Bengal is heading towards its coastlines.

Photo taken on May 20, 2020 shows the impact of cyclone "Amphan" in the Bagerhat district, Bangladesh. Bangladesh on Wednesday raised its storm danger signal to the highest level of 10 as "very severe" cyclone "Amphan" formed in the Bay of Bengal is heading towards its coastlines.

People rush to cyclone shelters in the Chattogram district, Bangladesh, on May 20, 2020. Bangladesh on Wednesday raised its storm danger signal to the highest level of 10 as "very severe" cyclone "Amphan" formed in the Bay of Bengal is heading towards its coastlines.

Photo taken on May 20, 2020 shows the impact of cyclone "Amphan" in the Chattogram district, Bangladesh. Bangladesh on Wednesday raised its storm danger signal to the highest level of 10 as "very severe" cyclone "Amphan" formed in the Bay of Bengal is heading towards its coastlines.