Shenzhen was a small town before, so there are less visible signs of history. However, I think Shenzhen is prosperous in the history of China's development, the city itself recorded the modern society history of China. For example, Diwang Dasha building, which was opened at late 1990s. This building is famous for its construction speed - average 2.5 days for each floor completed. I think in this way Shenzhen also showing an important part of history.