Illuminated manuscript of the Horae ad usum Parisiensem (Book of hours for Parisians), or "Book of Hours of Charles VIII" King of France (1468 - 1498). The folio shows Saint Denis, first bishop and patron of Paris, walking with his head in his hands after his execution. Today is the feast day of Saint Denis.
A NASA video on tracking of methane emissions, a greenhouse gas more potent than CO2 where changes in emissions have a faster impact on the level of global warming.
