Small farmers priced out of California's cannabis market
In the US state of California, the recreational use of cannabis has been legal since January. With 40 million inhabitants, the Golden State is the world's largest cannabis market. But now that farmers have to submit to strict environmental, sanitation and traceability rules, licences are difficult - and expensive - to obtain. Our correspondents report.
A programme prepared by Patrick Lovett and Gaëlle Essoo.