A woman speaks with a seller at the grand Bazar in central Tehran October 7, 2015. (Photo by Raheb Homavandi/Reuters/TIMA)





A vendor waits for customers at his spice shop in Yemen's southwestern city of Taiz, Yemen November 20, 2015. (Photo by Anees Mahyoub/Reuters)





A vendor waits for customers at his spice shop in Yemen's southwestern city of Taiz, Yemen November 20, 2015. (Photo by Anees Mahyoub/Reuters)





A street vendor (C) pulls a cart with his mannequins during a sweep operation by Civil Service policemen against illegal street vendors, which caused traffic congestion at Tanah Abang market in Jakarta, in this April 7, 2015 file photo. (Photo by Reuters/Beawiharta)





Souvenirs are offered to tourists visiting the Amphawa floating market at Samut Songkhram province in this March 16, 2013 file photo. (Photo by Damir Sagolj/Reuters)





A woman sells fruits while children sit in a tricycle cart in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)





A woman sells fruits while children sit in a tricycle cart in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)





A woman sells vegetables near a Metro train station in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)





Street vendors push their carts near a Metro train station in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)





A man sells mannequins under the railway track of the Metro train in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)





A man sells colorful lights at his stall in the market in Peshawar, Pakistan December 4, 2015. (Photo by Khuram Parvez/Reuters)





A man sells clothes on the street, in the Caracas downtown December 4, 2015. (Photo by Nacho Doce/Reuters)





A man sells fuel in Idlib, Syria December 6, 2015. (Photo by Ammar Abdullah/Reuters)





Men eat sandwiches while selling Haleweh, a traditional sweet in Idlib, Syria December 6, 2015. (Photo by Ammar Abdullah/Reuters)





Men display clothes for sale in Idlib, Syria December 6, 2015. (Photo by Ammar Abdullah/Reuters)





A man displays bananas for sale in Idlib, Syria December 6, 2015. (Photo by Ammar Abdullah/Reuters)





A man displays fruits for sale in Idlib, Syria December 6, 2015. (Photo by Ammar Abdullah/Reuters)





A man displays walnuts for sale in Idlib, Syria December 6, 2015.. (Photo by Ammar Abdullah/Reuters)





A shopper looks at packs of vegetables at a market at a shopping district in Tokyo, Japan, December 6, 2015. (Photo by Yuya Shino/Reuters)





A shop clerk chats with a customer at a flea market at a shopping district in Tokyo, Japan, December 6, 2015. (Photo by Yuya Shino/Reuters)





A shop clerk waits for customers at a flea market at a shopping district in Tokyo, Japan, December 6, 2015. (Photo by Yuya Shino/Reuters)