南阳的美,不仅在于她有丰厚的文化积淀,更在于她兼容南北风光的自然山水。南阳是河南省最大的生态旅游大市,一是中原地区惟一的“世界生物圈保护区”内乡宝天曼生态旅游区;二是全省最丰富的生物物种基因库之一、国家级自然保护区西峡老界岭生态旅游区;三是南水北调中线工程渠首 Nanyang beauty, not only because she has a rich cultural heritage, but also her natural scenery compatible with the north and south landscapes. Nanyang is the largest ecotourism market in Henan Province, one is the only “World Biosphere Reserve” in the Central Plains, the Baotianman ecotourism area in Neixiang County; the second is one of the richest gene pools in the province and one of the national nature reserves District Ximen Old Ridge eco-tourism zone; third is the South-to-North Water Diversion Project head