(ANSA) - BELGRADE, OCT 3 - The drones that forced the temporary closure of Munich Airport in Germany yesterday were spotted around 7:30 p.m. flying over a Bundeswehr innovation centre, according to Bild. This is a facility where next-generation drones are developed. The planes were spotted over the Bavarian capital's airport around 8:30 p.m. The last sighting occurred at 11:30 p.m., according to the tabloid. (ANSA).