Just a short footage of modernized 81-717.4/714.4 trainsets in Sofia. There are two colour schemes, a red-white livery and a green-white livery, which is generally more common.
English:
en.wikipedia.org/wiki/Metrova...
en.wikipedia.org/wiki/Sofia_M...
Български/Bulgarian:
bg.wikipedia.org/wiki/%D0%A1%...
16 окт 2022