IOS BUG:
https://discussions.apple.com/thread/6596466?start=0&tstart=0
IOS gesture for workaround
https://developer.apple.com/library/ios/documentation/AppleApplications/Reference/SafariWebContent/HandlingEvents/HandlingEvents.html
 
certo… si potrebbe anche passare agli SVG..
http://thenewcode.com/272/Interactive-Geographical-Map-with-SVG-and-JavaScript
se android le supportasse.. 😛
ci siamo quasi.. da android 4.3
http://caniuse.com/#search=svg
 
oppure comprarla: https://www.amcharts.com/svg-maps/?map=italy