It is a feature that makes many religious and government buildings stand out, because if someone is speaking to others inside or under a dome, the voice sounds louder. Also a dome makes it easier to identify an important building, for example a temple or a palace.
- Wnetrze kopuly watykan.jpg
The same dome, seen from inside
|40x40px||Wikimedia Commons has media related to [[commons:Template:If then show|Template:If then show]].|