Related Clues:

• The doctor is in the frozen fish
• Ground with ice in
• Have a turn with the Da in the North
• 'Ard to crack up, it's so 'ard below the surface
• Wide place for pace, by the sound of it
• Where it's cold and hard, get back to the cockney's hard nut
• A cold, hard, unaspirated nut up there
• Cold enough there for the cockney to turn out to be a hard nut
• When frozen, maybe the cockney turns to a hard nut
• The cockney comes back as a hard nut from the 21 across
• The doctor gets frozen with his aunt around
• Sounds like a biggest pace in the world
• Ere's an 'ard nut to try to live there
• You'd need long legs to make so long a pace, by the sound of it
• Dry, grassy land of Asia