It was one of the first sites to be made a World Heritage Site by UNESCO (1978); however, due to serious population declines of the characteristic native species, in 1996 it was also added to the List of World Heritage Sites in danger.
It was one of the first sites to be made a World Heritage Site by UNESCO (1978). It was also added to the List of World Heritage Sites in danger. This was in 1996. This was due to serious population declines of the characteristic native species. This was however.