The old town of Krakow is a UNESCO World Heritage Site.
For a "live view" of Krakow click on this link.
http://krakow.pl/multimedialny_krakow/3222,artykul,rynek_glowny__od_strony_ul__brackiej_.html Under M
ultimedia the 1st, 3rd, 4th, and 5th links work well and are near the hotel where we stayed.