How to spend 3 days in Krakow

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[{"address":"St. Florian's Gate, Kraków, Poland","location":{"latitude":50.06486020000001,"longitude":19.9413951,"longitudeDelta":0.0421,"latitudeDelta":0.0922},"media":[]},{"address":"Main Square, Kraków, Poland","location":{"longitude":19.936756,"latitudeDelta":0.0922,"latitude":50.0618969,"longitudeDelta":0.0421},"media":[]},{"media":[],"address":"St. Mary's Basilica, plac Mariacki, Kraków, Poland","location":{"latitude":50.0616411,"latitudeDelta":0.0922,"longitudeDelta":0.0421,"longitude":19.9393903}},{"address":"Saints Peter and Paul Church, Grodzka, Kraków, Poland","location":{"latitude":50.0569321,"longitude":19.93878549999999,"latitudeDelta":0.0922,"longitudeDelta":0.0421},"media":[]},{"address":"Wawel Royal Castle, Wawel, Kraków, Poland","media":[],"location":{"latitude":50.0541115,"longitudeDelta":0.0421,"longitude":19.935423,"latitudeDelta":0.0922}},{"location":{"latitude":50.0495003,"longitudeDelta":0.0421,"longitude":19.9429071,"latitudeDelta":0.0922},"address":"Kazimierz, Kraków, Poland","media":[]},{"media":[],"location":{"longitudeDelta":0.0421,"longitude":19.9475656,"latitudeDelta":0.0922,"latitude":50.0466211},"address":"Father Bernatek’s Bridge, Kładka Ojca Bernatka, Kraków, Poland"},{"location":{"latitudeDelta":0.0922,"longitudeDelta":0.0421,"longitude":19.9544482,"latitude":50.0466767},"media":[],"address":"Plac Bohaterów Getta, Plac Bohaterów Getta, Kraków, Poland"},{"address":"Église Saint-Joseph, Jana Zamoyskiego, Kraków, Poland","location":{"longitude":19.9499345,"latitudeDelta":0.0922,"latitude":50.04335409999999,"longitudeDelta":0.0421},"media":[]},{"address":"Salt Mine \"Wieliczka\" Shaft Regis, plac Kościuszki, Wieliczka, Poland","location":{"longitudeDelta":0.0421,"latitude":49.9834722,"longitude":20.0537756,"latitudeDelta":0.0922},"media":[]}]