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.
Answer: Machu Picchu is located In the Andes Mountain range in Peru.
It could harm birds that fly into it, it can take up space and disturb an animals habitat, and i cant think of another but i tried :)
