I had the distinct privilege last summer to attend mass in Santiago, Spain. I was amazed at the end of mass when they brought out the flying incense -- like nothing I have ever seen before. The Botafumeiro is a famous flying incense expeller found in the Santiago de Compostela Cathedral in Spain. If you had the opportunity to walk the Camino de Santiago, you likely saw this for yourself. Honestly, I will never forget it. Brilliant.