Sep 6, 2018
seen from United States
seen from United States
seen from Malta
seen from Yemen
seen from United States
seen from United States
seen from United States
seen from China
seen from United States
seen from Australia
seen from Japan
seen from United States
seen from United States
seen from Saudi Arabia
seen from China
seen from Sweden
seen from United States
seen from United States
seen from Malaysia
seen from Greece
水路の水量が減ったら、水底にアメリカザリガニがちらほらいるのが見えた（7月15日）