"I can't think of any other region in the world which is such a vast source of fossils"

This quote by Richard Leakey is referring to the East African region, which is understood for its abundance of fossils. This region is house to some of the oldest and most well-preserved fossils worldwide, making it a prime location for paleontologists and other researchers. Leakey is stressing the value of this area in terms of its fossil record, noting that there is no other area worldwide that can compare to it in regards to the large number and variety of fossils that can be discovered there. He is also highlighting the significance of maintaining this area, as it is a distinct and irreplaceable source of details about our past. By preserving this region, we can guarantee that future generations will have the ability to continue to learn from the fossils that are discovered there.