Budapest Metro in Hungary first became operational with the opening of Line 1 in May 1896. In 2002, the line was listed as a World Heritage Site by UNESCO.
Although the Budapest metro system is relatively small ... to articles about the metro system were “hate”, while just 1 per ...
The M4 is a new ten station underground line, constructed using the Milan top-down method, running north-east, south-west through Budapest and connecting with other existing lines. Architects Palatium ...