John Cowan said he "stepped over" the edge of an 18th century feature called a "ha-ha" in the pitch black as they returned to Hopetoun House car park.

BBC: Hopetoun House

The second, from the Claymore Group, is to build retail warehousing for a "DIY unit", including a garden centre, an area for a restaurant or cafe, four smaller shops and parking for over 300 vehicles on a seven-acre (2.9 ha) site.

BBC: Protesters against the Grovebury Road retail parks

When my friend told me this, over Taiwanese food in Boston, I had a bit of an Ah-Ha moment.

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The sites (495.3 ha) and their surrounding forest landscape reflect a persistent and extraordinarily well-documented tradition of sacred mountains over 1, 200 years.

UNESCO: Culture