Therift came intothe open last year after Liu Yonghao, at 46 the youngest and most assertive sibling, quietly set up his own companies and invested in businesses he considered strategically important.
The fleet connects the spectacular flamingo-fringed soda lakes of Manyara, where Hemingway hunted, to the Great Rift Valley escarpments and the remote northern Serengeti, into which few venture.
Australian pianist David Helfgott, whose life was depicted in the film Shine, spiralled into decades of mental illness after an irreparable rift with his father.