The World Heritage Committee also examines reports on the state of conservation of inscribed sites and asks States Parties to take appropriate conservation and preservationmeasures when necessary.
The conservation effort at Lewa -- which is a mixture of classic habitat preservation, stringent security measures (the rhinos have their own security guards at all times) and the use of the latest technology to enhance the knowledge of a species and its breeding patterns -- has been astounding.
Heritage preservation has always required tremendous efforts, but audiovisual records are far more endangered and more than other media necessitate greater measures for their protection.