Meer van dit soort tunnels:
Wawona Tree
Mariposa Grove, Yosemite National Park
Tunnel completed 1881 - fell down in 1969
"This famous tree is in the Mariposa Grove of Big Trees, a pleasant drive of 36 miles from the hotels and camps in Yosemite Valley. The "Wawona" tree is 227 feet tall, and 90 feet in circumference. In this grove more than six hundred giant Sequoias have been growing here for centuries....the earth's largest and oldest trees."
via:
The In-Sect - article - photography - history - Drive Thru Redwood Tree Postcards
