MAD Architects were invited to revitalize a 750-meter gorge tunnel that cuts through distinctive rock formations and offers panoramic views over one of Japan‘s three great chasms. /VCG Photo

The revitalization project sees the installation of several permanent artistic spaces along the historic lookout tunnel. The "Tunnel of Light" opened on the occasion of the 2018 Echigo-Tsumari Triennale. /VCG Photo

“The designs rethink the relationship between humans and nature, and seek to re-connect locals and visitors alike with the majestic beauty of the land," MAD Architects’ Ma Yansong said. /VCG Photo