The animals that roam free.
"Charismatic mega-fauna" like lions, but also tiny field mice - wildlife comprises all animals that are not domesticated. From the strange to the beautiful, wild mammals, birds and fish can play important roles in the ecosystem. And humans often depend on wildlife to survive.
Chinese companies are building a 600-kilometer railway line across Kenya, connecting the capital Nairobi to the coastal city of Mombasa. The rapid growth of housing that encroaches Nairobi's National Park has created massive traffic problems in the city. Kenya's government has approved the controversial construction of the new railway as a means of relieving Nairobi's traffic congestion.