<em>Rising Cairn</em>, by <a href="http://www.celesteroberge.com/w-cairn-rising.php">Celeste Roberge</a>. Welded galvanized steel and granite, 58" x 54" x 43". Collection: Runnymede Sculpture Farm, Woodside, California.

Rising Cairn, by Celeste Roberge. Welded galvanized steel and granite, 58″ x 54″ x 43″. Collection: Runnymede Sculpture Farm, Woodside, California.

Recently I posted on my Facebook timeline a photo of gabion materials I had ordered to replace a concrete retaining wall that had failed. Some people were unfamiliar with gabions and asked to know more about this ancient construction technique.

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