Chinese migrant in his Paris shop
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The immigrants challenging the French working week

6 March 2014 Last updated at 10:47 GMT

France is known for its strong labour laws and traditional, short working week.

However, in Paris there are plenty of businesses now open for much longer hours.

Increasing numbers of them are being bought and run by immigrants who choose to start early and work late.

Europe business correspondent Nigel Cassidy reports from the capital.