Of all Italian art cities, Florence is arguably the one that lends itself best to being an ideal short-break destination. Here are our suggestions for spending a perfect three days in Florence. Santa Maria Novella, Florence Getty ImagesDay oneMorningFlorence’s Duomo, one of the largest cathedrals in the world, has dominated the centro storico for centuries and is still a good place to start any visit. AfternoonCheck out the latest offering at the Fondazione Palazzo Strozzi, which hosts a regularly rotating series of cracking shows, most recently dedicated to Fra Angelico and Mark Rothko. A perfect antidote to art overload is the Hzero miniature train museum, which houses a 280-metre square model railway with 1,000 metres of track and meticulously reconstructed landscapes.