Chainsaws revved Tuesday morning and removed a nearly 300-year-old tree at Lincoln Park Zoo. What stood for centuries was cut down in hours.
The 70-foot-tall bur oak, next to the primate house, is believed to be older than the city of Chicago itself. The base of the trunk alone weighed a hefty 7,400 pounds, and scientists will now be able to get a precise age by counting the rings.
