英文關鍵字
augsburg
bavaria
construction
dam
energy
engineering
environment
environmental
flood
flowing
germany
landscape
lech
natural
nature
outdoor
protection
river
riverside
rural
scenic
season
sky
stream
water
waterfall
weir
white
英文關鍵字
augsburg
bavaria
construction
dam
energy
engineering
environment
environmental
flood
flowing
germany
landscape
lech
natural
nature
outdoor
protection
river
riverside
rural
scenic
season
sky
stream
water
waterfall
weir
white