A look over the whole level. This one is wonderfully laid out - you can see how close you actually come to entering the main part of the bonehoard before you’re diverted into the Burrick tunnels!
A view from below of the first bit of the level, before “Where am I???”
One of the difficulties with showing this level is how complex and vertical it is. Here’s a messy cutaway of the main part of the Bonehoard.