Submerged rice paddy fields in Hai Phong city are seen from a seaplane of Hai Au Aviation during its first flight from Hanoi to Ha Long, September 8, 2014. Hai Au Aviation, the sixth airline of Vietnam, starts its business by two Cessna Grand Caravan seaplanes on Monday for the Ha Long Bay tourism route. REUTERS/Kham (VIETNAM - Tags: TRANSPORT TRAVEL BUSINESS AGRICULTURE)