americas
brazil
brazilian
close up
closeup
color image
color photography
color picture
concrete
dam
day
destination
detail
ecological
energy
engineering
famous place
hydro electricity
hydroelectric
hydroelectricity
image
industrial
industry
itaipu
itaipu lake
landmark
large
latin america
latin american
no people
outdoors
paraguay
paraguayan
parana river
parana state
photograph
picture
places
power
renewable energy
river
south america
south american
stock photograph
structure
tube
utilities