More than 40 Australians are among several thousand people unaccounted for after catastrophic flooding on the Nepal-Tibet borderHow the deadly Nepal and Tibet flash flood unfolded – a visual guideGet our breaking news email, free app or daily news podcastAn 11-year-old child, an ADF member and many other pilgrims and trekkers have been named among the Australians missing after deadly flash floods and landslides tore through valleys on the Nepal-Tibet border.As of Saturday there were 41 Austral