and remains of many other buildings have been discovered, among them traces of the ancient city walls, a fine mosaic, found in 1852 but at once destroyed, and a number of tombs to the west of the theatre. The ruins of the ancient Albintimilium are situated in the plain of Nervia, c. to the east of the modern town. The caves of the Balzi Rossi have proved rich in palaeolithic remains of the Quaternary period. Remains of a family of Cro-Magnon people were discovered, with several skeletons of men, women and children. Very important architecturally and historically is the ancient medieval city centre, perched on a hill overlooking the new town. The Church of San Michele Arcangelo was erected in the 10th century by the Counts of Ventimiglia on the foundations of a pagan temple. Later it was entrusted to the Benedictines of Lirins. In the 11th-12th centuries it was rebuilt in Romanesque style. In 1628 its aisles were lost after an earthquake. It houses milestones from the old Via Iulia Augusta, two of which are used as stoups and one supports the crypt's vault. The present Romanesque Cathedral dedicated to the Assumption, Cattedrale di Nostra Signora Assunta, with an 11th-century baptistery, see of the present Diocese of Ventimiglia-San Remo (just Ventimiglia until 1957, founded 670), is built on the ruins of an earlier Lombard church, which in turn was on the site of a Roman building, possibly a temple. The municipal library has the second largest collection of 17th-century manuscripts and books in Italy (the biggest collection is in Venice). The Giardini Botanici Hanbury (Hanbury Botanical Gardens), surrounding the villa of Sir Thomas Hanbury, La Mortola, are the biggest in Italy and among the finest in Europe, boasting many varieties of tropical and sub-tropical species that thrive in this mild climate. Near Ventimiglia are the Genoese fortresses of Castel d'Appio, Forte San Paolo and Fortezza dell'Annunziata. Tourism Ventimiglia is a popular summer destination for tourists on the French Riviera. Particularly popular all year with visitors from France is the weekly street market (held on a Friday), along the seafront of the new town, which causes major traffic congestion. Transportation Ventimiglia is on the Via Aurelia Provincial Road, and has a junction on the A10 Motorway. The Ventimiglia railway station connects the line from Genoa to France with the line to Cuneo. International relations There is a Royal Spanish honorary