Beijindi flood detention basin

design flood region composition

Dongping Lake flood detention basin

embankment flood detention

Flood Detention

Flood Detention Area

Flood Detention Basin

Flood Detention District

flood detention in circled embankments

Flood Detention Zone

flood region composition

Flood Storage

flood storage and detention basin

flood storage and relief

Flood storage capacity

flood storage pond

Huaihe River flood detention area

recovering the flood storage

Detention storage