🇨🇳 China · Ancient city
Shijiahe
Qujialing → Shijiahe 2600–2300 BCE (Jianghan Late Neolithic) → Meishan · Shijiahe culture (Middle Yangzi walled city)
Jianghan Plain walled mega-town (c.3000–2300 BCE, Shijiahe culture 2600–2300 BCE climax) northwest of Tianmen — 120 ha walled enclosure (1.2 km wall of rammed earth, moat) with inner palace 7 ha,…