Chile's Atacama Desert, home to the world-renowned ALMA telescope, offers breathtaking sights both above and below. One such marvel is the ancient stone fortress of Pukará de Quitor, a relic of the Licán Antai people that has stood for over 900 years...One such marvel is Pukará de Quitor, an ancient stone fortress built centuries ago by the Licán Antai people, also known as the Atacameños. Located near San Pedro de Atacama, it stands close to the Atacama Large Millimeter/submillimeter Array (ALMA), a world-renowned radio telescope operated by ESO and its international partners.In this striking image, the fortress's arch perfectly frames...