Deep in the Kham region of the Eastern Himalayan mountains, in Tibet, as well as in the area inhabited by the modern Qiang people and in the historical region inhabited by the Tanguts, there are massive stone tower houses. The base of these towers usually have 8-12 protruding corners hence the locally designated description as “star towers”. They are erected upwards with some exceeding 200 ft tall and 70 ft wide.
They were described for the first time during the Ming dynasty (1368-1644), but are alleged to have been around before the Mongol invasion in 1240. There is no definitive date as to when they were constructed, but locals say they were built as far back as 1681 BCE.
Since they are generally located in prosperous villages, it is believed that their primary function was that of a demonstration of a family's prestige within the community, but there is still much speculation and intrigue surrounding their purpose.