私的ブックマークと雑記 since 2012,07,07
The red river in Cusco, Peru,flows crimson because of the iron oxide run offs from the local mountains in the rainy season pic.twitter.com/aar4Rq8DtK— Science girl (@gunsnrosesgirl3) October 26, 2022
The red river in Cusco, Peru,flows crimson because of the iron oxide run offs from the local mountains in the rainy season pic.twitter.com/aar4Rq8DtK