A kid visits Anzali Aquarium in Anzali Port, northern Iran, on Aug. 31, 2019. The newly-founded Anzali Aquarium showcases more than 400 species of aquarium fish and rare reptiles. (Photo by Ahmad Halabisaz/Xinhua)

People visit Anzali Aquarium in Anzali Port, northern Iran, on Aug. 31, 2019. The newly-founded Anzali Aquarium showcases more than 400 species of aquarium fish and rare reptiles. (Photo by Ahmad Halabisaz/Xinhua)

People visit Anzali Aquarium in Anzali Port, northern Iran, on Aug. 31, 2019. The newly-founded Anzali Aquarium showcases more than 400 species of aquarium fish and rare reptiles. (Photo by Ahmad Halabisaz/Xinhua)

People visit Anzali Aquarium in Anzali Port, northern Iran, on Aug. 31, 2019. The newly-founded Anzali Aquarium showcases more than 400 species of aquarium fish and rare reptiles. (Photo by Ahmad Halabisaz/Xinhua)