Belgrade has been razed and rebuilt roughly forty times, yet the ground where the belgrade downtown free walking tour assembles is among its newest. Until 1866 the Ottoman Stambol Gate stood near today's Republic Square, closing the town at its eastern edge. Its removal opened space for the National Theatre, completed in 1869, and for the equestrian figure of Prince Mihailo, modelled by the Florentine sculptor Enrico Pazzi and unveiled in 1882. The monument has since become the city's default meeting place. Serbs name it without ceremony: kod konja, at the horse. West of the square, Knez Mihailova follows an alignment Roman engineers used when Singidunum garrisoned the ridge above the confluence. The street was formally laid out in 1870, declared a protected cultural monument in 1979, and closed to traffic in stages through the 1980s. Its facades read as a catalogue of Serbian ambition after independence: the Nikola Spasić Palace of 1889, the Serbian Academy of Sciences and Arts of 1924, Art Nouveau ironwork set beside austere interwar stone. Operators running belgrade downtown free walking tour tours use this corridor as a spine, because four centuries of the city's argument with itself are legible in a few hundred metres. What makes the format persist is compression. A circuit of two to three kilometres gathers most of the headline Belgrade landmarks: Terazije and the Secession-era Hotel Moskva of 1908; Kalemegdan's layered gates; and Ivan Meštrović's Pobednik, raised on the fortress rampart in 1928 and visible from the water below. Guides working in the besplatna pešačka tura tradition, imported to the Balkans in the early 2010s, trade admission revenue for narrative freedom. That is why the commentary tends to run straight through the twentieth century rather than around it. Architecturally, the centre rewards a slow eye. Republic Square was resurfaced at the end of the 2010s, its new granite paving exposing the National Museum's 1903 facade, built for a mortgage bank long before it held Serbian medieval frescoes and the Miroslav Gospel. Behind it, Čika Ljubina and Obilićev Venac keep courtyards from the 1930s, their stairwells still tiled. Kalemegdan compresses Roman foundation, Austrian baroque portal and Ottoman tomb into a single earthwork above the Sava and Danube meeting point. Visitors weighing belgrade downtown free walking tour tickets against a guided Serbian history route, a fortress-and-neighbourhoods circuit or a river cruise are really choosing between three readings of the same confluence: the city as street, as rampart, as waterline.