Wisteria flower tunnel in Japan

Photo: Shutterstock

Tree tunnels are perfect examples of how nature can be shaped over many years by humans and other external influences. When paths and roads are carved into the ground, nearby trees bend outward into the new patch of light to receive more energy for photosynthesis. This process continues until the tree branches on either side completely overlap, forming a thick ceiling over the pathway beneath.

In the case of the more flowery passageways like the Wisteria Tunnel (above) found at the Kawachi Fuji Gardens in Kitakyushu, Japan, gardeners strategically place the easily trained, hanging flowers along a curved trellis.

Continue scrolling for more examples of these exquisite canopies, which can be found around the world.

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Bright red tree tunnel in Oregon

Photo: Ian Sane/Shutterstock

St. Louis, Ore.

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Tree tunnel in Edisto, S.C.

Photo: Shutterstock

Botany Bay Plantation, Edisto Island, S.C.

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Tunnel of Love in Ukraine

Photo: Shutterstock

Klevan, Ukraine

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White cherry blossom tunnel over canal

Photo: Shutterstock

Nakameguro, Tokyo, Japan

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Mangrove tunnel in Malaysia

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Gunung Irau, Pahang, Malaysia

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Cypress tunnel in Point Reyes, California

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Point Reyes National Seashore, Calif.

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Pink cherry blossom tunnel

Photo: Tedd Okano/Flickr

Nagatoro, Saitama, Japan

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Autumn tree tunnel

Photo: Shutterstock

Drenthe, Holland

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Catie Leary is a photo editor at Mother Nature Network. Follow her on Twitter and Google+.