• 171020_BertDeBacker the final monumental plastic arch
  • the Arch in a misty weather
  • 170807_BertDeBacker Saint Plastic bottle caps collector at the Arch by ya+k
  • 170800_the-arch_tiles
  • 170800_the-arch_index-of-tiles
  • Diagram of the Evolution of the Arch; drawing: S├ębastien Tripod