Gabriela García Calderón · November, 2013

Latest posts by Gabriela García Calderón from November, 2013

Peru: Day Without Shadow in Arequipa

  8 November 2013

At 11:29:51 am on Thursday, November 7, 2013, while the 6th Latin American Congress of Photobiology and Photomedicine in the Peruvian city of Arequipa was taking place, locals stopped their activities to contemplate the day without shadow [es]. This event happens twice a year in cities located between the Tropic...