Sewage drain pipe outlet, water stream fall down to muddy puddle, white splashes

Sewage drain pipe outlet, water stream fall down to muddy puddle, white foam and little splashes. Open waste water disposal, known ecological issue for asian region. Primitive sewerage system in the middle of Bangkok city, at Khlong Toei District. Waste drainage flown out to open canal, and then streaming out directly to Chao Phraya river. Footage includes original environment and ambient sounds, water noises and some birds singing around.