altai

altay

architecture

asia

asian

barrage

batardeau

blue

boulder

bund

causeway

chemal

chute

construction

dike

embankment

energetics

energy

engineering

environment

hydroelectric

hydropower

landmark

mole

plant

power

public

quayside

rapid

riffle

river

roar

russia

scenery

shoot

siberia

sky

sound

station

stone

stop

stream

summer

system

wall

water

waves