sentences:  With about 300,000 objects and a similar number of historic photographs, the museum is the largest of its kind in Switzerland and one of the biggest in Europe.It also serves the canton of Basel-City by documenting and preserving the local cultural legacy.A 1999 exhibition was devoted to Basel's unique Carnival ("Fasnacht") tradition, and the 2005 "Festivals of Light" exhibition explored the city's religious diversity.