![IMG_20170630_173227.jpg](https://steemitimages.com/DQmSTgKd8TFf3fdWf6yXJcaXo2EJPZssqesktWuBd5BXEJw/IMG_20170630_173227.jpg)

Hong Kong is lack of land, full with people but lack of labour. Housing is a major issue. An efficient building method which I call LEGO blocks is widely used. Pre-made parts like walls with different accessories are put together on site to make multi-story buildings.