1 HOUSTON TO DUBAI This one is all about oil. Emirates airline began this route in December--only three months before Halliburton announced its headquarters would move from the Texan city to Dubai
2 TEHRAN TO CARACAS Iran and Venezuela seem unlikely allies. But a flirtation that started with a mutual distaste for Yankee imperialists was consummated in March with a direct Iran Air flight between the countries
3 BALTIMORE TO KANGERLUSSUAQ A key cold war U.S. military base--now a commercial airport--will be the landing zone for what Greenland hopes will be armies of ecotourists traveling on Air Greenland starting in May
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