Related Clues:

• Stephen King's "Under the __"
• Request I make to char to clean vault?
• Capitol cover
• Start of theatre in the round, a building
• Wrote beneath said building
• Ray's nearest neighbours in the building
• Deer crossing motorway building
• Stately edifice rising third
• Moving right to the top in old Arctic plain's circular structure
• Circular room
• Roof party -- I object below
• Radius sorted out -- and altered circular construction
• "Demo" anagram
• Building over frozen soil, diverting river to the west
• Round domed room