A SMALL museum hidden away in a city basement has been ranked the sixth best in China by leading travel website TripAdvisor.

The Shanghai Propaganda Poster Art Center was rated above the National Museum of China in Beijing in the 2014 TripAdvisor poll by website users.

Covering just 400 square meters, the museum at 868 Huashan Road in Xuhui District attracts 60 to 70 visitors a day on weekdays, rising to around 150 visitors a day at weekends.