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Vectors Market - Flat Icon License
Anthony wood - Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
JP Valery - Creative Commons Attribution-Share Alike 4.0 International license
This work was cropped, desaturated and had other color alterations.
Walling & Gray - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
This work was cropped, desaturated and had other color alterations.
MIKI Yoshihito - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
Augustas Didžgalvis - Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
bfishadow on Flickr - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
WClarke - Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
Whoisjohngalt - Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
Gage Skidmore - Creative Commons Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)
- Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
Tac6 Media - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
Metropolitan Transportation Authority - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
Mike Cole - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
The White House - Creative Commons Attribution 3.0 United States (CC BY 3.0 US)
Ivan Radic - Creative Commons - Attribution 2.0 Generic (CC BY 2.0)
agracier - NO VIEWS - Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
This work was cropped, desaturated and had other color alterations.
UNclimatechange - Creative Commons Attribution 2.0 Generic (CC BY 2.0)
Mathieu Landretti - Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
Ivan Radic - Creative Commons Attribution 2.0 Generic (CC BY 2.0)