Claim for some Anvil building shell pieces to allow for better performance and some taller towers for important locations
New version of T_Imp_SetAnv_X_Building_01 that's five stories tall instead of three stories, with one of the Sutch-style decorative domes in the middle (could be useful to have non-dome version as well, and versions of both that are four stories - only if not a big hassle!)
Double-length version of T_Imp_SetAnv_X_Skywalk_01 to cut refcounts where it's doubled up