Itinerario Centro https://maps.app.goo.gl/3ZbQ7ifdMFLY4p3a7?g_st=i
https://maps.app.goo.gl/Yn5QQHVfN6fvzhsC6?g_st=i
6 catacombs, which one do we pick??
https://www.tripadvisor.com/Articles-lbDjMv7NdIpk-Best_catacombs_in_rome.html
Cool underground site at Trevi fountain
https://www.travelandleisure.com/attractions/you-can-go-underneath-the-trevi-fountain
Main site for it: <https://www.vicuscaprarius.com/en/archaeological-area/>