Holon

Holon, also known as Hōlon, is an outdoor stone sculpture by Donald Wilson, located in the South Park Blocks in Portland, Oregon, United States. It was originally commissioned in 1978–1979 and re-carved in 2003–2004. It is part of the City of Portland and Multnomah County Public Art Collection courtesy of the Regional Arts & Culture Council, which administers the work.

Source: Wikipedia