america
barrage
barrier
binacional
border
brazil
brazilian
building
ciudad del este
concrete
dam
day
electric
electricity
energy
engineering
environment
facility
falls
foz
foz do iguacu
generation
hernandarias
hydro
hydroelectric
hydroelectricity
iguassu
iguazu
industry
itaipu
landscape
observation
paraguay
parana
plant
power
renewable
river
south
spillway
station
structure
technology
tourism
travel
water