Ringfort, Irish National Heritage Park In the 6th and 7th Centuries A.D. Irish farmers put a wooden palisade around their farmhouse and farmyard; the result is called a ringfort.
More photos in the park, see <a rel="nofollow" class="external free" href="https://www.geograph.org.uk/gallery/irish_national_heritage_park_county_wexford_10033">https://www.geograph.org.uk/gallery/irish_national_heritage_park_county_wexford_10033</a> .
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/560">David Hawgood</a>
CC BY-SA 2.0
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/1254053">geograph.org.uk</a>