Before revision: Serpa Pinto, Capelo and Ivens (1877–1886) Portuguese Serpa Pinto was the fourth explorer to cross Africa from west to east and the first to lay down a reasonably accurate route between Bié (in present-day Angola) and Lealui.
After revision: ,Serpa Pinto, Capelo and Ivens (1877–1886) Portuguese Serpa Pinto was the fourth explorer to cross Africa from west to east and the first to lay down a reasonably accurate route between Bié (in present-day Angola) and Lealui.