You have high taxes. You have lots of income from mining and your rich natural resources. Then just build 3 Hong Kongs. What's the problem? Immigrants will be

You have high taxes. You have lots of income from mining and your rich natural resources. Then just build 3 Hong Kongs. What's the problem? Immigrants will be happy to build their new cities. Hong Kong didn't just suddenly show up. It grew over time on an island that had basically nothing on it. It's neighbour Shenzhen was a 10,000 people fishing village and is now a 10 Million metropolis.