Today, this temple and palace stand with the Potala as Lhasas’s three greatest historic buildings. But their origins are separated by 1,000 years. The Jokhang dates from the 7th century, when King Songtsen Gampo acquired two of his six wives from abroad. If traditions are to be believed (which many scholars doubt), the first, Bhrikuti, was Nepalese. The other, Wencheng, was Chinese. As part of their dowries, both brought Buddhist statues and images with them, among them two statues, which are the oldest in Tibet. To house these treasures, the king built the Jokhang, a complex of 20 halls with a mass of gold-painted roofs. Though much rebuilt and added to, its blend of local, Chinese, Nepalese and Indian elements makes it classic Tibetan architecture.
Wencheng has a mixed reputation.…