🇨🇳 China · Hydraulic works
Karez of Turpan
Han dynasty 142 BCE to Qing · Han, Uyghur, Hui oasis communities
2000-year karez underground qanat network (5,000 km, 1,100 lines) feeding Turpan Depression vineyards from Tian Shan snowmelt.
🇨🇳 China · Rock-cut
Longyou Grottoes
Warring States to Han (contested) · Yue–Wu contested; possibly Chu or Han
Mystery siltstone quarry silos 30×40 m 10–35 m deep with cavetto walls, 1992 flooded rediscovery.
🇰🇿 Kazakhstan · Tumulus
Boralday North Crest Mound 22 (Boralday Northern Apex Kurgan)
Late Saka (280 BCE) — Boralday late group · Saka Tigrakhauda late (pre-Wusun transition)
82 m northern apex mound 22 at 820 m: 13 m high with panther foil and Han belt hook — Silk Road import in Boralday crest.
🇲🇳 Mongolia · Tumulus
Boroo Gol Kurgan Terrace – Selenge River Valley
Late Bronze to Xiongnu Early Iron · Slab Grave / Xiongnu
30 Slab Grave to Xiongnu re-used kurgans (1300 BCE–150 CE) — Selenge River terrace with Han lacquer.
🇨🇳 China · Archaeological wonder
Mawangdui Han Tombs
Western Han Early 202–141 BCE · Han dynasty (Changsha Kingdom)
Family cemetery of Marquess of Dai (Li Cang, Prime Minister of Changsha Kingdom, Western Han, 202 BCE–9 CE) with three rectangular shaft tombs (168–145 BCE).
🇨🇳 China · Pyramid
Han Yangling Mausoleum
Western Han Wen-Jing 157–141 BCE · Western Han imperial
Mausoleum complex of Emperor Jing of Han (Liu Qi, r.157–141 BCE) and Empress Wang Zhi on Wei River terrace north of Xi'an, core of Western Han imperial necropolis (11 tombs).
🇨🇳 China · Archaeological wonder
Great Wall of China (Ancient Segments)
Warring States to Han Dynasty 7th c BCE – 220 CE (early segments); Ming 1368–1644 (classic brick) · Han Chinese (Qin, Han dynasties)
World's longest wall system (21,196 km including branches) with earliest rammed-earth frontier walls from Warring States and Han (7th c BCE–2nd c CE) preserved in Gansu corridor (Han Dunhuang walls),…