A police officer checks the documents of a Chinese immigrant at the Shen Wu textile factory in Prato December 9, 2013. Prato, the historical capital of Italy's textile business, has attracted the largest concentration of Chinese-run industry in Europe within less than 20 years. Yet Prato is also a thriving hub of illegality committed by both Italians and Chinese, a byproduct of globalisation gone wrong, many people in the city say. Picture taken December 9, 2013. To match Insight ITALY-SWEATSHOP/ REUTERS/Stefano Rellandini (ITALY - Tags: BUSINESS TEXTILE SOCIETY IMMIGRATION)