Cheese factory, cattle farm of Pian Segno, Blenio valley, Canton Ticino, Switzerland

Fermenting soya sauce at Youbu Old Town, Lanxi County, Jinhua City, Zhejiang Province, China

A view of salted herring in the small fishing town of Siglufjorour, Iceland

Corn cobs, Chilco Community, Angochagua Parochia, Imbabura Province, Ecuador

Cauliflower, Paris, France

Pumpkin and corn being sun dried, Huangling, ancient village dating back to the Ming Dynasty, Wuyuan County, Shangrao City, Jiangxi Province, China

Chillies and corn being sun dried, Huangling, ancient village dating back to the Ming Dynasty, Wuyuan County, Shangrao City, Jiangxi Province, China

Chillies and corn being sun dried, Huangling, ancient village dating back to the Ming Dynasty, Wuyuan County, Shangrao City, Jiangxi Province, China

Woman grinding argan seeds to get oil, Saadia family, Tagante village, Anti-Atlas, Morocco

Young woman making Kai Paen, dried river weed sheets sprinkled with sesame seeds, thinly sliced tomatoes and garlic, northern Laos

Sun drying of Kai Paen, dried river weed sheets sprinkled with sesame seeds, thinly sliced tomatoes and garlic, northern Laos

Living worms for lunch, Mbandaka, Equateur province, Democratic Republic of Congo, Africa

Pumpkin strips and produce sun dried in autumn, Huangling, village dating to Ming Dynasty, Wuyuan County, Shangrao City, Jiangxi Province, China

Woman cooking bread in a traditional Berber oven, Atlas Kasbah, guesthouse, near Agadir,Morocco

Woman making argan oil in the Medina, Marrakesh, Morocco