We like this design a lot, and have been working on more conical tower designs with lots of portholes or other fenestrate openings ala mico sea creatures, see site.    From Wordnik.com.  [NEW GREEN TOWER IN MIAMI – The COR Building | Inhabitat] Reference

Among these are large numbers of invertebrate fossils, including bryozoans and brachiopods located in the Calville limestone of the Grand Wash Cliffs, and brachiopods, pelecypods, fenestrate bryozoa, and crinoid ossicles in the Toroweap and Kaibab formations of Whitmore Canyon.    From Wordnik.com.  [Proclamation On The Grand Canyon Parashant National Monument] Reference