Answer: This occurs where streams radiate outward from an isolated mountain peak. Most volcanic islands have this pattern.
He allowed those who wanted to surrender to leave.
Also, he had his white flag out meaning he won't kill those who left. If it was red, it meant if captured or surrendered he would kill them.
It's a type of fossil specifically called a 'Cast.'
Umm a house for example we us it form trees and umm and yeah hoped this helped