Metro line 6 to Nationale, an open-air station on the elevated viaduct, with murals visible from the platform. Also line 5 or 6 to Place d'Italie, 8 min on foot, or bus 27, 57, 61, 62, 89. This is a self-guided tour: no group, no guide waiting. Start whenever you like.
(Stop 18 — La Joconde by Okuda)