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In the 1800s and early 1900s, people cut tunnels out of giant sequoias to allow carriages or cars to drive through them. These “tunnel trees” were tourist attractions, designed to advertise California’s national parks. No new tunnels are cut today, but some old ones still exist. What is the biggest Cal
TUNNEL TREES living thing?
Giant sequoias might grow even taller, but their height attracts lightning, which tends to kill off their upper branches.
Forest ecologist studying the top parts of the tree.
US_106_107_309600_ICBT_Biggest_Living_thing.indd 106 19/12/17 2:35 pm
