Actually, almost every big city has areas like this. These 'urban villages' are the starting point for many people's journeys and a relic of the city's older development phases, while the skyscrapers stand as a testament to Shenzhen's economic boom.
When faced with posts like this, my standard advice is: live a virtuous life, chalk up losses to good karma, study fortune-telling diligently, and hope you're reborn as a rich kid in your next life.
