scum.jpg
|
Bright red algae scum on Longxi river with stone bridge in Chengkan village China
|
Man walking over stone bridge with bright red algae scum on Longxi river in Chengkan village China
|
Bright red Euglena algae scum surrounding rock in Longxi river with stone bridge in Chengkan village China
|
Stone steps and bridge with bright red algae scum on Longxi river in Chengkan village China
|