The “Fuzzy Boundary” (模糊的边界) is a photographic by Yu Haibo (余海波), which depicts the history and current situation of Shenzhen. The photograph show the changes and growth of Shenzhen, as well as the hidden stories of Shenzhen. This picture shows the job market in Huaqiang North in 1991. In the 1990s, the job market in Shenzhen was a very important social phenomenon. This market is a place that gathers a large number of job seekers and provides them with the opportunity to find jobs. Shenzhen iob market is the most well-known, just opened when more than 5000 square meters, but the venue soon can not meet the demand, after continuous improvement to reach 20000 square meters, equivalent to three football fields. At that time, more than 10,000 people came here every day to apply for jobs, and the recruitment hall was crowded, and the big square downstairs was also crowded. Although the job market in Shenzhen has gradually withdrawn from people's vision, it has brought together job seekers from all directions, provided a "excellent talent" for countless "talent scout", and became the "first stop for mainlanders to enter Shenzhen in the early days of reform and opening up.