http://www.marcopolohotels.com/index.html
http://www.silk-road.com/artl/marcopolo.shtml
_ Marco Polo aka The Four Assassins
http://www.youtube.com/watch?v=su1WuG9EP7M
_ The True Origins of Pizza
http://www.youtube.com/watch?v=KiLA6Bk_ivs
_ 字幕【テキサス親父】「ピザの起源は韓国」にテキサス親父激怒！
http://www.youtube.com/watch?v=3QTalw9wVFU
