active
activity
alternative
backpack
backpacker
destination
development
discovering
eco
electrical
energy
environment
farm
farms
go
green
hiker
hiking
holiday
innovative
landscape
lifestyle
man
mill
nature
outdoor
pathway
people
plant
portugal
power
propeller
resource
save
station
tourism
tourist
touristic
travel
traveler
traveller
trekking
trip
vacation
walk
walking
way
wind
windfarm
windmills