It is one of the fiercest rivalries in business and sport, pitching a colossus from America against a giant from Germany. Nike and Adidas are multibillion-dollar companies whose battle for sportswear supremacy is being played out in Russia.
A lot of the work that goes into making a t-shirt or a pair of jeans has been automated, except for cutting and sewing. Now machines are taking over one of these last surviving manual jobs, which humans have performed for hundreds of years.