Who Built This Cairn? Revolutionary ImproVerse Haiku When you find a cairn/ where you wanted to stack one,/ you ask: “Who built this?!?” Posted in Revolutionary ImproVerse Poetry and tagged cairn, CyranoWriter, haiku, ImproVerse haiku, Kuhns, mystery, poems, poet David Kuhns, Poetry, revolutionary poetry, stack stones, unknown builder, Utah Lake, who built this, www.cyranowriter.com.