A final thrust of the crowbar cracked the wooden crate open, and the architect, the anthropologist, and the mortar expert leaned in to look at the oddity that had drawn them to an out-of-the-way ...

Walk in the building noted on the map, facing the stairs. Going up the stairs, turn to the right side of the room. The Symbol can be found on the wall adjacent to the yellow crate. The third and final ...