By freelance reporter Marcus George in Salalah, Oman Posted December 14, 2015 16:07:47 Photo: Mark Evans and Omani colleagues Mohammed al-Zadjali and Amour bin Ali bin Majeed Al Wahaibi have begun a 1,300km journey on foot across the Empty Quarter. (Supplied: Marcus George) The preparing is over, the farewells stated and the adventure has begun….