View of colourful fast food outlet near Eastside section of the former Berlin Wall along the Spree River, Berlin, Germany, Europe

High angle view of a street scene, with fast food outlet signs, in Surfers Paradise, Gold Coast, Queensland, Australia, Pacific

Okonomiyaki Japanese pancake being made at Fast Food Outlet at Okonomimura, Hiroshima City, Hiroshima prefecture, Honshu Island, Japan, Asia

Shop assistant at fresh fish counter in supermarket in Chongqing, China

Chef cooking noodles in tourist restaurant, Xian, China

Chinese chef plucks newly slaughtered chicken to cook for restaurant customer at Bao Ding, near Chongqing, China

Cooking oils in supermarket, China. The Chinese use a lot of edible oil and find it an expensive item.

Chinese chefs gut rabbit and pluck chicken to cook for restaurant customers at Bao Ding near Chongqing, China

Chinese chefs with customer choosing a chicken to cook in restaurant at Bao Ding near Chongqing, China

Peanut cooking oil in supermarket, Chongqing, China. The Chinese use a lot of edible oil and find it expensive.

Man with shopping trolley reading product details while buying in supermarket in Chongqing, China

Shoppers at meat counter in supermarket in Chongqing, China

Chef cooking noodles in tourist restaurant, Xian, China

Chefs at work cooking in local street restaurant at Baoding in Dazu County, Chongqing, China

Chef cooking noodles in typical tourist restaurant, Xian, China

Man choosing shrink wrapped food in supermarket, Chongqing, China

High angle view of a few garlic bulbs in a basket

Close up of small bunch of dried red chilies