The Okavango Delta, although it is a very narrow thread of river, creates an "...ecosystem of a size and intricacy rivaling any on earth" (7, p.8).
(it; is; a very narrow thread of river) (The Okavango Delta; creates; an "...ecosystem of a size and intricacy rivaling any on earth) (an "...ecosystem of a size and intricacy; rivaling; any on earth)
it The Okavango Delta an "...ecosystem of a size and intricacy
is creates rivaling
a very narrow thread of river
an "...ecosystem of a size and intricacy rivaling any on earth
any on earth