a lot of these people work for private enterprices,  a lot of civil volunteer work.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/7173680@N03">Huitzil</a> from Villahermosa, México
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/7173680@N03/1806045241/">PARTY LAND!!!</a>