This clash between humans and animal ecosystems is nothing new in much of Africa. Tall buildings rise in places that were once grassy plains or forest. The city of Nairobi struggles to preserve wildlife while the population has grown from 30,000 to 3 million.

Saigilu's Maasai Village of wooden huts and sheet-metal homes is next to city warehouses and factories. On the other side is a 45-square-mile forest. It is the world's only major game reserve within a capital city. The park brings over 100,000 tourists to Nairobi every year.

That the paragraph please help.