Man talking on cell phone in front of cityscape
 People on Cellular Phones
 | Keywords: | | Building, Buildings, Businessman, Businessmen, Cell Phone, Cell Phones, Cellular Phone, Cellular Phones, Communication, Communications, Document, Documents, Global Communication, Global Communications, illustration and painting, Information, Male, Man, Men, Mobile, Mobile Phone, Mobiles, One Person, People, People On Cellular Phones, People On Telephones, Phone, Phones, Technology, Telecommunication, Telecommunications, Telephone, Telephones, Wired World, Wireless |
150 pixel Jpeg Image | greyscale conversion | 
|  sample greyscale conversion |
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