When the two brothers went in China to meet Kublai Khan, Kublai decided to give them a friendly mission to the pope and test them on European affairs, then the two brothers went back to Venice, wherein for the first time Marco Polo and his father Niccolo met. Niccolo and Maffeo traveled in a boat to Acre (Israel, present-day) with Marco two year later. As requested of Kublai, from the church of Holy Sepulchre in Jerusalem, they saved some holy oil and returned to Acre to get some gifts, papal documents and two newly elected priests by Pope Gregory X. But the two priests deserted the expedition, but the Polos family continue and possibly rode by the camels to the Persian port of Hormuz. Because they can’t see the boat that they really want they decided to climb high mountains and other rough terrains encounter a different group of culture and religion of people, and walking into unending deserts. After all the sacrifices they finally arrive at Kublai Khan’s abundant summer palace at Shangdu or Xanadu estimated about 200 miles northwest to modern