<P> The sites are intended for practical conservation for posterity , which otherwise would be subject to risk from human or animal trespassing , unmonitored / uncontrolled / unrestricted access , or threat from local administrative negligence . Sites are demarcated by UNESCO as protected zones . The list is maintained by the international World Heritage Program administered by the UNESCO World Heritage Committee , composed of 21 UNESCO member states which are elected by the UN General Assembly . </P>
<P> The sites are intended for practical conservation for posterity , which otherwise would be subject to risk from human or animal trespassing , unmonitored / uncontrolled / unrestricted access , or threat from local administrative negligence . Sites are demarcated by UNESCO as protected zones . The list is maintained by the international World Heritage Program administered by the UNESCO World Heritage Committee , composed of 21 UNESCO member states which are elected by the UN General Assembly . </P>
what does unesco do for world heritage sites
what does unesco do for world heritage sites
practical conservation for posterity
practical conservation for posterity