Related Clues:

• 'King and I' recast before providing all-time low
• Caution a director concealing low point
• Low point, coming from Barcelona direction
• Turns up it's on the house around central Ireland? Normally, it's under one's feet!
• Apogee's antithesis
• Point on celestial sphere opposite zenith
• Depths of drain in need of repair
• Apex antonym
• Trapdoor location
• The depth of depression
• Knock down to the bottom
• Opposite of apex
• Bottom part of drain, perhaps
• Ultimate depth
• Rug setting