Dubai International Airport remains on its growth trend, collecting the fourth month in a row over the 4.5 million passengers threshold. In April 2012 the travellers who utilized the Garhoud hub were 4,566,673, and they represent a 7.8% increase, compared with the same figure in April 2011, when the passengers in transit were 4,237,548. Since the beginning of the year the airport has served 18,828,279...