Cave Art
Cave art: Etchings hailed as 'Iberia's most spectacular'
(BBC News Europe; 14 October 2016)
http://www.bbc.com/news/world-europe-37654544
Q&A: Cave Art Older, More Widespread Than Thought, Archaeologist Says
(Dan Vergano, National Geographic; October 12, 2014)
http://news.nationalgeographic.com/news/2014/10/141010-cave-art-indonesia-alistair-pike-questions-science/
Cave Art in the Tropics (Nature Video; October 8, 2014)
(BBC News Europe; 14 October 2016)
http://www.bbc.com/news/world-europe-37654544
Q&A: Cave Art Older, More Widespread Than Thought, Archaeologist Says
(Dan Vergano, National Geographic; October 12, 2014)
http://news.nationalgeographic.com/news/2014/10/141010-cave-art-indonesia-alistair-pike-questions-science/
Cave Art in the Tropics (Nature Video; October 8, 2014)