ɪn tˈuː θˈaʊzənd sˈɛvən, ðə kˈɑːmplɛks hˈæzbiːn ɔnðə tˈɛntətˌɪv lˈɪst fɔːɹ ɪŋklˈuːʒən ˌɪntʊ ðɪ ʌnˈɛskoʊ wˈɜːld hˈɛɹɪɾɪdʒ sˈaɪt pɹˈoʊɡɹæm.
In 2007, the complex has been on the tentative list for inclusion into the UNESCO World Heritage Site program.