Tuna fish being auctioned, Tsukiji fish market, Tsukiji, Tokyo, Japan, Asia

Farmers at cattle auction in Ennis, County Clare, West of Ireland

Cattle crammed tightly together in a pen at cattle auction in Ennis, County Clare, West of Ireland

Fish auction at Confradia de Pescadores de Luarca, Confederation of Luarca Fishermen, at Puerto Luarca in Asturias, Spain

Auction of freshly-caught fish at Confradia de Pescadores de Luarca, Confederation of Luarca Fishermen, Puerto Luarca, Spain

Young calves crammed tightly together in a pen at cattle auction in Ennis, County Clare, West of Ireland

Farmers at cattle auction in Ennis, County Clare, West of Ireland

Tuna fish being auctioned, Tsukiji fish market, Tsukiji, Tokyo, Japan, Asia

Farmers at cattle auction in Ennis, County Clare, West of Ireland

Tuna auction under way at Tsukiji Wholesale Fish Market, the world's largest fish market in Tokyo, Japan, Asia

People crowd around auction of fish from a large open net on beach at Beruwala, Sri Lanka, Asia