Chinese national flags hang along a street in the Optics Valley of China. [Photo/WeChat account of Optics Valley of China]

As National Day and the Mid-Autumn Festival approach, nearly 2,000 Chinese national flags can be seen along streets in the East Lake High-tech Development Zone (also known as Optics Valley of China, or OVC).

A special inspection and patrol team will ensure that these flags are in good condition.

Chinese national flags hang along a street in the Optics Valley of China. [Photo/WeChat account of Optics Valley of China]