Silvia Vásquez-Lavado has successfully completed the seven summits challenge, by climbing the largest mountain on each continent. She shares what it's like standing on the highest peaks in the world.
Copyright 2018 NPR
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Silvia Vásquez-Lavado has successfully completed the seven summits challenge, by climbing the largest mountain on each continent. She shares what it's like standing on the highest peaks in the world.
Copyright 2018 NPR