Interior and flag development

Here are some more shots after working a bit more on the flags at the entrance and the interior. I still need to work on the blocky one but started working on the 'before destruction' one, which I can't quite get right yet (there are also very few pictures of this sculpture before its destruction). The interior is coming up nicely but I'm having issues with some edges so may need to take it apart.

I am also trying my best to imagine the space through watching videos and checking some photos, because there are no photos that give me an absolute idea of the 3D space in the interior: