Is it illegal to take photos of Shanhaiguan Chaohe Bridge?

There are illegal photos taken on the Chaohe Bridge in Shanhaiguan. We usually see two kinds of camera capture monitoring: regular registration and illegal camera shooting. Let's talk about regular registration first. The purpose of this electronic eye is to register information such as vehicle license plate and model, and also record traffic flow. Sometimes, the police can use these records to chase criminals and investigate cases.