Related Clues:
- Rotunda tops
- Igloos, essentially
- Arena tops, sometimes
- Rounded roofs
- Kremlin toppers
- Taj Mahal spires
- Buckminster Fuller structures
- Slender towers on mosques
- Hemispherical roofs
- Towers attached to mosques
- Does be about to be grand in the overheads
- I smarten up the mosque towers
- Some vaults
- Tops of some stadiums
- Semicircular roofs