Belgium

比賽: 世界上最好的国家？
Photo author: By Dbenbenn and others - Van den Bussche, E., Chief of Protocol, Belgian Federal Department of the Interior (2008) Noble Belgique, ô Mère chérie - LE PROTOCOLE EN BELGIQUE (PROTOCOL IN BELGIUM), Heule: Editions UGA ISBN: 9789067689359., Public Domain, https://commons.wikimedia.org/w/index.php?curid=342972