英文關鍵字
background
crane
during
dvina
eco
ecology
freeze
freezeup
fuming
industrial
industry
lifting
metal
pipe
pole
river
severnaya
sunset
winter
英文關鍵字
background
crane
during
dvina
eco
ecology
freeze
freezeup
fuming
industrial
industry
lifting
metal
pipe
pole
river
severnaya
sunset
winter