... you'll find lots of alternatives for getting around by road:
- the many buses and trams of the city's public transport authority, ATAC
- open-top buses (mostly double-deckers, offering great views from the upper
floor) with which you can hop off to visit individual sites, and then hop back
onto the next, to continue the circuit... for example this pair, operated by
a company part-owned by ATAC __ http://www.trambusopen.com/en/routes.cfm
- 'sit back and relax' sight-seeing tours by air-conditioned coach....