Green dirty water in lake, closeup view, fish gurgle at shallow water near shore

Green dirty water in lake, closeup view, fish gurgle at shallow water near shore. Water pond at Lumphini Park in Bangkok city. Some debris floating over surface, drainage outlet from the pool. Green grass on the shore, sunny day shadows on the water. Red brown duckweed at side of the surface. Some type of algal bloom (blooming water) of freshwater in the public park lake.