There are many good sentences in the Tang Dynasty that reflect the real society. Can you talk about the historical phenomena or historical facts reflected in the following poems?

1. Riding on the red dust concubine smiled, no one knew it was lychee. Emperor Xuanzong of the Tang Dynasty doted on Concubine Yang and did not hesitate to transport fresh lychees from Guangdong to satisfy Concubine Yang's desires.

2. Last year, Tongguan was destroyed and my wife was isolated for a long time. During the Anshi Rebellion, the customs clearance was breached, and the people's families were separated and their families were destroyed, reflecting the historical tragedy caused by the Anshi Rebellion.