Here has rich rich and deep culture to accumulate, but why can be in the spring tide of reforming and opening fadein is backward, bottleneck of what kind of development did they encounter?

• 这里拥有丰富的自然资源和深厚的文化积淀,但为什么会在改革开放的大潮中渐显落后,他们遭遇了怎样的发展瓶颈？