1.0Ultramarathon Guidehttp://ultramarathon.com.br/principaledsonsphttp://ultramarathon.com.br/principal/author/edsonsp/National Geographic - Ultramarathon Guiderich600338<blockquote class="wp-embedded-content" data-secret="0Hm66QiUPS"><a href="http://ultramarathon.com.br/principal/national-geographic/">National Geographic</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="http://ultramarathon.com.br/principal/national-geographic/embed/#?secret=0Hm66QiUPS" width="600" height="338" title="“National Geographic” — Ultramarathon Guide" data-secret="0Hm66QiUPS" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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National Geographic NATIONAL GEOGRAPHIC, the flagship magazine of the National Geographic Society, chronicles exploration and adventure, as well as changes that impact life on Earth. Editorial coverage encompasses people and places of the world, with an emphasis on human involvement in a changing universe. Major topics include culture, nature, geography, ecology, science and technology. READ MORE -> National Geographic