Cage dogs of Hong Kong: The tragedy of tens of thousands living in 6ft by 2ft rabbit hutches - in a city with more Louis Vuitton shops than Paris

Hong Kong, one of the world's richest cities, is abuzz with a luxury property boom that has seen homes exchanged for record sums. 

But the wealth of the city has a darker side, with tens of thousands priced out of housing altogether and forced to live in the most degrading conditions. 

These pictures by British photographer Brian Cassey capture the misery of people - some estimates put the figure as high as 100,000 - who are forced to live in cages measuring just 6ft by 2 1/2ft.       More Read