In 1896, Budapest opened the Millennium Underground, the first fully electrified metro line in Europe. The original cars were small wooden tram‑style vehicles with very rudimentary electrical gear, running just below street level. Today the line is part of a UNESCO World Heritage site. I’ve always loved this piece of transport history, and since someone told me it's impossible, I recreated one of the early cars in LEGO — keeping the proportions, wooden bodywork, roof equipment, and interior...