Wikimedia Commons has media related to Decagonal buildings.
Ten-sided, or doecagonal, buildings
Pages in category "Decagonal buildings"
The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes.
Ten-sided, or doecagonal, buildings
The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes.