in the dawn of the 21st century, public transport systems began with a blank canvas, endeavoring to revolutionize the way cities breathed and moved. it was a prepatory phase filled with vibrant conversations among architects, engineers, and planners who refused to turn their backs on the urgent needs of urban mobility. instead, they harbored a secret ambition: to create a network that not only connected people physically but also wove the social fabric tighter, making every journey an opportunity for human interaction and communal harmony.