They can live for a long time with hollow centers but they don't always do well standing up to Northeasters and hurricanes. Good to cut them down when it is convenient.
The guy who own the property said the people who bought it off used hide things in the hollow 50 years ago. I thought it was neat
Old beer cans that's about it. Oh and a giant piece of metal that destroyed 32" chain. I had just sharpened it too. Oh well that's why I bring more than one loop
Red green color deficient. I paint all the plastics blue so I can see them in the bush... might have hit one with a tire once