Orangutan exhibit - under construction

Twom, big outdoor exhibits for orangutans.
The indoor exhibits is in the Green Pyramid.
...under constuction...

a lot of building, not much enclosure.

Yes, but here is an other exhibit like this, but in that enclosure isn't water, and bigger.
And the outdoor exhibit is also big.
I think, if this exhibit wasn't good, the dutchs wouldn't have sent here 6 orangs.

thanks for the extra information.