To preserve beautiful works of art deteriorated by time, they often have to be disassembled to be fully restored. The old windows are recorded as a guide, then workers rebuild the lead joiners around the cleaned glass. | http://www.sciencechannel.com/tv-shows/how-its-made/#mkcpgn=ytda1
Watch full episodes:
http://bit.ly/HowItsMadeFullEpisodes
Subscribe to Science Channel:
http://www.youtube.com/subscription_center?add_user=sciencechannel
Check out SCI2 for infinitely awesome science videos. Every day.
http://bit.ly/SCI2YT
Download the TestTube app:
http://testu.be/1ndmmMq