The Botafumeiro is the famous giant incense burner (thurible) operating inside the Cathedral of Santiago de Compostela in Galicia, Spain. Derived from the Galician words for "smoke expeller", this legendary artifact swings dramatically along the cathedral's transept using a complex rope and pulley system.
The Botafumeiro and weighs 80kg (176lbs), reaching speeds of 70km/h (44mph) over the parishioners and pilgrims.