Guanting Reservoir HSR Bridge
Guanting Reservoir HSR Bridge
Guanting Reservoir HSR Bridge 官厅水库高铁桥 Three bridges parallel to cross Guanting Reservoir: old highway bridge(beam) high speed railway bridge(arch) new expressway bridge(suspension)
Guanting Reservoir HSR Bridge 官厅水库高铁桥 Three bridges parallel to cross Guanting Reservoir: old highway bridge(beam) high speed railway bridge(arch) new expressway bridge(suspension)