Looking NNW into the lower chamber entrance
passage along its extension.
Note how the roofed section of the passage protrudes for some distance past the
margin of the cairn retaining wall.
The low walls of the curious "drain-like" passage extension can just be traced
in the vegetation in front of the passage opening.
The stone visible in the foreground is the first of the lintels that roof the
southern part of this strange structure.