Here's Professor Langdon examining a GPS dot, which his accomplice tells him is a tracking device accurate within two feet anywhere on the globe, but we know that in the world of nonfiction, the GPS dot is impossible, right?
Her er professor Langdorn  der undersøger en GPS prik, som hans medsammensvorne fortæller  ham er et sporingsapparat akkurat indenfor en meter på jordkloden, men vi ved at i den virkelige verden er GPS-prikken ikke mulig.