Could have happened anywhere.

See article- "Shanghai agency shuts doors after model found dead." Geoffrey York and Ian Bailey, Toronto Globe and Mail. (July 8, 2008, on Shaw internet, taken from Wednesday's Globe and Mail).

The agency had put her to work as a bar girl, etc.; sounds like the agency was a prostitution front. Shanghai is a booming city of over 20 million; many shady operations as would be expected in any large booming city.