After the heydays of Emperor Xuanzong's reign, the palace largely survived the chaos in An Lushan Rebellion (755-763), and continued to develop in extravagance in the late-Tang period.
The palace largely survived the chaos in An Lushan Rebellion (755). This was after the heydays of Emperor Xuanzong's reign. The palace largely continued to develop in extravagance in the late-Tang period. This was after the heydays of Emperor Xuanzong's reign.755 was 763.