The majesty of exotic animals like elephants and rhinos is enough to make long, expensive vacations to see them in the flesh worth it, but there's always a sad underpinning to those trips.
As we know, many of these beloved animals are facing a threat to their very existence. So while we appreciate how beautiful and gentle they can be, we do so in the knowledge that we may not get to see them for long.
However, if the kind of progress we're now seeing in Tanzania can be adopted in other regions, the situation may not be as hopeless as it seems.