Wildlife on extinction risk can be found at isinhabited Ballesta Islands. Sea lions are seen by hundreds, also migratory birds are present. Songos water falls are spectacular for climbing and sliding along their water routes. Both the place and type of activity are appreciated by those who look for special and uncommon tastes. Surrounding nature is magnificently untouched, as if time had not pass there.
Geometric precision required is part of the enigma.
They are considered to be an astronomic calendar, some believe they must have been made by extraterrestrial. They exist for thousands for years, absence of winds help on this.