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THE WESTERN ARC OF THE SOFIA RING ROAD THROUGH THE BIRD VIEW (AND DRONE)

KARNOBAT STATION COMPLEX — WITH A NEW FACE AND NEW AMENITIES FOR PASSENGERS

MIZIA METRO STATION/NBU:“HOME OF DANCING FIGURES”

HOW DO WE CONTROL THE SHIP’S PATH?

DO YOU KNOW WHAT A TRACTION SUBSTATION IS?

ARE YOU INTERESTED IN FINDING OUT ABOUT THE BRIDGE?