https://www.globalsecurity.org/wmd/world/china/underground-great-wall.htm

Submitted by aua on 2020.10.22. - 01:05

vf_node_items

	vf_node_pictures_all	title (item)	field_cer_web	field_cer_navbox	g_geofield	field_t_coordinates	g_geofield
		Underground Great Wall of China (Chinese: 地下长城, pinyin: Dìxià Chángchéng)	https://en.wikipedia.org/wiki/Underground_Great_Wall_of_China https://www.globalsecurity.org/wmd/world/china/underground-great-wall.htm

fr_importance