There is a documentary in production on reclaiming the forging process on the wrought-iron band hinges found on the portals of Notre-Dame Cathedral in Paris. It looks amazing. Help spread the word about this documentary and help get this project funded. A link has been provided below where you can contribute. There is also a link to their facebook where you can see some short clips. It looks amazing.

https://www.indiegogo.com/projects/the-devil-s-blacksmith-documentary-arts--2#/
https://www.facebook.com/thedevilsblacksmithdocumentary/