Related Clues:
- Rotunda top
- Planetarium part
- Bell Biv DeVoe smash
- "Bio" attachment
- Bald head, in slang
- Igloo's shape
- Royal Albert Hall topper
- Capitol capper
- Observatory topper
- Stadium feature, sometimes
- Fuller's geodesic creation
- Grade II-listed building in Birmingham’s Bull Ring, completed in 1965
- Planetarium topper
- Wrote under sound building
- Capitol Building capper