Majestic Catenary Arch
Deane shows how to make a Catenary Arch -- a beautiful and majestically strong structure which has been used in buildings for thousands of years.
SUBSCRIBE NOW
http://www.youtube.com/subscription_c...
CONNECT WITH CURIOSITY
Facebook ➤ / curiosityshow
Twitter ➤ / curiosityshow
Curiosity Show ➤ www.curiosityshow.com.au