I thought Aldruhn was made of giant bug shells? Sadrith Mora has the Telvanni Council which is in a living building same as any of the Telvanni towers in the ea

I thought Aldruhn was made of giant bug shells? Sadrith Mora has the Telvanni Council which is in a living building same as any of the Telvanni towers in the east: Tel Mora, Tel Aruhn, etc. https://en.uesp.net/maps/mwmap/mwmap.shtml https://en.uesp.net/maps/mwmap/mwmap.shtml