Photo: Basilica of the Holy Blood
Basilica of the Holy Blood is located in the heart of the city. Her chapel of St. Basil (Baziliusa) 12th-century reliquary is kept with particles of Christ's blood and water which Joseph of Arimathea of Jesus washing the body before burial. This sacred relic was brought to Bruges in 1150 the Crusaders from the Holy Land. The upper part of the basilica was destroyed in the late 18th century and rebuilt in the 19th. The church is a museum.
I can complement the description