Zion-Mount Carmel Tunnel in Zion National Park, Utah, US (????????????????????)  [Source:Huanqiu]

Lærdal Tunnel in Sogn og Fjordane, Norway (????-???????????) [Source:Huanqiu]

Arnarneshamar Tunnel in West Fjords, Iceland [Source:Huanqiu]

Tunnel of Love near Kleven, Ukraine (??????????????) [Source:Huanqiu]

Tunnel Log in Sequoia National Park, California, US (???????????????) [Source:Huanqiu]

Bund Sightseeing Tunnel in Shanghai, China  (???????????) [Source:Huanqiu]

Predator Lagoon at Atlantis, Bahamas (????????????“???”??) [Source:Huanqiu]

The Greenwich Foot Tunnel in East London (??????????????) [Source:Huanqiu]

Tree Tunnel at Christchurch Priory in Dorset, U.K. (????????????????????) [Source:Huanqiu]

Hezekiah's Tunnel in Jerusalem, Israel (??????????????) [Source:Huanqiu]