They fenced the compound, which over the years has housed facilities to study many animal species, such as reindeer, arctic hare, bears and ground squirrels.
(They; fenced; the compound, which over the years has housed facilities) (the compound; has housed; facilities to study many animal species, such as reindeer, arctic hare, bears and ground squirrels; T:over the years) (facilities; to study; many animal species, such as reindeer, arctic hare, bears and ground squirrels)
They the compound facilities
fenced has housed to study
the compound, which over the years has housed facilities
facilities to study many animal species, such as reindeer, arctic hare, bears and ground squirrels T:over the years
many animal species, such as reindeer, arctic hare, bears and ground squirrels