Trains no longer arrive at Belgrade’s riverside main station, at the foot of the limestone scarp that gave the white city its name. Today, the yellow stucco facade faces a gleaming new statue, eight storeys high, which dominates the forecourt where refugees, mostly from Syria, camped in the late 2010s. Our flight-free trip from London to the Balkans has taken just 24 hours as far as Budapest, via Eurostar and the Brussels-Vienna sleeper. But now here we are, gazing across a dusty bus station at a 23-metre-high (75ft) Grand Prince Stefan Nemanja. We had expected to arrive at modern Belgrade