Related Clues:
- It keeps grass dry in a stadium
- Downward-facing concave shape
- Stadium feature, maybe
- Circular roof
- There's a famous 'half' one in Yosemite National Park
- Top of the Capitol Building
- Planetarium feature
- Column holding aloft a rounded vault
- High point of St Peter's Basilica
- Rounded part of a building
- Tokyo ___ (stadium that hosts the Yomiuri Giants)
- Stadium's rain blocker
- Seen quite clearly at the Capitol, at least fifty were involved in a coup.
- Taj Mahal top
- Several wanting Germany instead of Southern Hemisphere