Longest advertising poster

Longest advertising poster
Who
Saatchi & Saatchi
Where
Italy (Rome,)
When
27 July 1998
A poster produced by Saatchi  Saatchi for the Rome Opera House to promote Puccini's 'Tosca' and set up at the Piazza del Popolo in Rome, Italy on July 27, 1998, measured 274m (898ft 11in) long and 2m (6ft 6in) high.