Planetary Empires - Tyranids Set 1

I have the old Planetary Empires set for using in 40K campaigns, however, the set only contains random landscapes and Imperial ruins. For our dynamic campaigns, I am making simple faction specific tiles for some of the major armies.

Here is the first set of Tyranid tiles. This set includes three different types of capillary towers, and two different types of digestion pools. For our campaigns, as the Tyranids advance across the landscape we swap out normal tiles for Tyranid themed ones to r