Boundless waterways that carve through fields of tall papyrus reeds. Families of elephants playing in the river. The sound of lions roaring in the distance. In the heart of Botswana lies one of nature's greatest wonders - the Okavango - the world's largest inland delta whose waters stretch up to 15,000 square kilometers across the Kalahari sands. But, did you know that Botswana is home to Africa's largest zebra migration? That it protects some of the worlds' last rhinos? That it shelters the planet's largest elephant population?