There comes a period when many trees require pruning. Possibly there are harmed branches that need expelling maybe in the wake of being subjected to intense winds. Trees are not insusceptible to illness and it might be conceivable to prune out the influenced branches leaving the tree to survive a couple of more years. The focal point of the tree could have turned out to be congested with branches crossing and a touch of sensible pruning will let air and light into keep the tree sound. Alternately obviously it might have outgrown its designated space and is swarming out different...