All Africa North America South America Asia Closing & Separating Europe Filtering & Shading Cladding & Covering Insulating & Forming Winners 2019 Oceanía Load-bearing & Crossing Special prize "Shelter" Special prize "Living heritage" Special prize "Transfer of technology" The Bamboo Bridge of Sumatra Q’eswachaka Inca Bridge Haduwa Arts and Culture Institute Bamboo-light of Empty Heart Arcadia Education Project School of Alfa Omega School of Life El Guadual Early Childhood Development Center Bamboo Sports Hall for Panyaden International School