Families in poverty in USA
% of U.S. family households in poverty by state/county/blockgroups
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Stroke density map (20 km grid)
Lightning strikes around the world (2012-2014). https://farm1.staticflickr.com/455/20206874135_fd396ba963_o.jpg
Read MoreDaylight as a function of the latitude World map
The angle of sun and daylight as the year progresses showing day, night, poles and whole world Hours of sunlight
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