RandyMac

Redwoods are notorious for shedding limbs, most are not big enough to crush a car, but enough to ruin your day. Major limb/top failure is very common, like Ekka said the older they are, they are more prone to failure. Should you ever visit the Redwoods, one of the things you will notice, is the large amount of debris on the ground, ranging from mere twigs, to limbs large enough to send to the mill. Besides the vast amount of rotten Redwoods to inspect, you have the usual public outcry about even thinking of touching one in a park.
Newguy has a video about falling Redwoods, you can see the falling crews run for their lives, the minute one of those trees comes off verticle, crap rains from the sky. Come to think about it, I saw very few of the trees I felled, actually hit the ground, I was too busy running away.

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RandyMac