Tree of Knowledge

The Tree of Knowledge is a 5,000 year old gigantic library tree surrounded by houses. It is located in Ohara island, which is currently a burnt land. When the World Government sent a Buster Call to destroy Ohara, the tree fell and crushed almost every historian. The Tree of Knowledge was inspired by the Library of Alexandria in Eygpt, one of the former Seven Wonders of the World. Unfortunately, like the Tree of Knowledge, it and all of the books containing valuable information was burned down, by Ptolemy, the Christians, and the Muslims. If the Library of Alexandria hadn't been burned down, the world would've been 1,000 years ahead of knowledge and technology we have today.)