Water blooming, flowering in summer. Clogging of a dirty water. Global environmental problem caused by chemicals. Algae in the lake, river. Active reproduction of microscopic blue-green algae. Waves. Poster #494725340
Water blooming, flowering in summer. Clogging of a dirty water. Global environmental problem caused by chemicals. Algae in the lake, river. Active reproduction of microscopic blue-green algae. Waves. Poster #494725340
