Bosnia, 60's
https://www.youtube.com/watch?v=rlGxRTpZgN0

Lokomotiva, GB, 30's
https://www.youtube.com/watch?v=mVmUruof5Vc

mortise & tenon
https://www.youtube.com/watch?v=vKsOBruU2Zs

nýtování lávky Výtoň
https://www.facebook.com/TSKPraha/videos/n%C3%BDtov%C3%A1n%C3%AD-l%C3%A1vky-na-%C5%BEelezni%C4%8Dn%C3%ADm-most%C4%9B/883753165322665/

Builders of bridges (1928) - 03/2023 NEFUNGUJE
https://www.youtube.com/watch?v=96q9dUQbQ2s&t=219s