DUBAI, United Arab Emirates (AP) — Dubai International Airport, the world’s busiest for international travel, has seen 70.1 million passengers already pass through its terminals this year, officials announced Wednesday. The rapid growth of passengers at the airport underscores Dubai as a key hub for East-West travel in global aviation and the need for its $35 billion project to build a massive, five-runway airport at Al Maktoum International Airport at Dubai World Central. The city-state’s