If you want to visit the center of Milan in a short time, having a look to all the major attractions of the city, tours on wheels are the best choice: you can admire places and monuments without getting tired, optimizing the time for guided tours.
 
You can drive the streets of the old town aboard a Segway, a modern and eco-friendly vehicle with which you can access without limits to the streets surrounding the famous Piazza del Duomo; or, if you prefer a different route, you can visit the modern area of Porta Nuova, recently built for Expo 2015.
 
Alternatively, you can visit Milan aboard a bicycle, the most favorite vehicle of Milan citizens, and walk the streets of downtown looking for the most beautiful attraction of the city.