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An Egyptian wokrer carries colored yarns inside a tannery in Cairo, Egypt, 12 November 2014. The tannery is the only left in the old part of Cairo. The yarn is used for shoe laces, mattresses upholstery, ballet dance outfits and suits.

Khaled Elfiqi/EPA

An Egyptian worker carries coloured yarns inside a tannery in Cairo, Egypt on Wednesday. The tannery is the only left in the old part of Cairo and makes yarn for shoe laces, mattresses upholstery, ballet dance outfits and suits

Visitors stand at a site crane at the booth of the German company Liebherr at the International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles and Construction Equipment "BAUMA" in Munich, southern Germany, on April 18, 2013. More than 3.400 exhibitors from 57 countries shows their newest products during one of the great trade fair until April 21, 2013.

Christof Stache/AFP

Visitors high in the sky and a crane site at the booth of the German company Liebherr at Bauma, the International Trade Fair in Munich, southern Germany, on April 18, 2013. More than 3.400 exhibitors from 57 countries shows their newest products during the great trade fair until April 21, 2013.