The National Building Museum, Washington DC, has a special exhibit called "The Hive." They use paper tubes to create interconnected domed structures of various sizes and height. This is one of the smaller ones, looking down into it from above. The paper tubes are silver on the outside and magenta on the inside. It was fascinating. You may see more views of this in the future. ;)
10/1/2020: Finished year 7 (!), with continuing gratitude towards this amazing community. Based in St. Louis, MO. Regular worker-bee and self-taught photography dilettante....