africa
architecture
blue
breaker
building
built
concrete
construction
dam
day
detail
eclectric
electricity
energy
engineering
environment
flow
giant
gigantic
grey
high
highland
huge
hydro
impressive
industrial
industry
katse
large
lesotho
manmade
massive
mountain
natural
outdoors
overflow
plant
power
project
renewable
reservoir
river
rural
stream
strong
structure
travel
traveling
wall
water