From Xinhua News Agency: STORY: AIR TRAVEL CHAOS DATELINE: June 22, 2011 LENGTH: 0:01:23 LOCATION: Melbourne INTRO Air travel chaos is returning to New Zealand as the ash cloud from a Chilean volcano drifted back over the region on its second circuit of the globe. And in Australia, flights are gradually resuming in airports across the country after two days of widespread cancellations. But thousands of passengers remain stranded, with travel plans completely disrupted. PKG New Zealand officials said on Wednesday that the ash cloud was expected to cover the entire country later in the day and would last for at least a day or two. Despite other airlines taking precautions, Air New Zealand has maintained most services by flying under the cloud, saying its routes would continue to operate as normal. The cloud first hovered above Australian and New Zealand airspace over a week ago, causing some airlines to ground all flights to affected areas. But some airlines had managed to fly under or around t Powered by www.newslook.com