the earthquake proof structure, pisac hat.net south america peru pisac the earthquake proof structure The patented Inca style wall is always a trapezoid. Just to make it earthquake-proof. File Size 160 kB Please enable JavaScript to view the comments powered by Disqus. comments powered by Disqus
hat.net south america peru pisac the earthquake proof structure The patented Inca style wall is always a trapezoid. Just to make it earthquake-proof. File Size 160 kB Please enable JavaScript to view the comments powered by Disqus. comments powered by Disqus