(출처 : http://tlc.howstuffworks.com/family/family-vacations-in-california3.htm)
The drive-thorugh in Sequoia National Park is open 24 hours! Before this sequoia fell in 1937, it stood 275 feet high, rather than attempt its removal, the park service carved a tunnel through it that measures 17 feet wide and 8 feet high.
extra photos are googling images
