alpine
alps
austria
barrier
basin
carinthia
concrete
conservation
construction
dam
drinking
ecological
electric
electrical
electricity
energy
engineering
environment
environmental
flood
gate
generation
glacier
grossglockner
hydro
hydro electric
hydroelectric
hydropower
industrial
kaprun
lake
landmark
landscape
mountain
nature
plant
power
renewable
reservoir
resource
river
salzburg
stone
structure
technology
tourism
voltage
wall
water
watts