The wreckage of a bus is seen after it crashed inside a motorway tunnel in Sierre, in the Swiss canton of Valais on March 14, 2012. Twenty-eight people, including 22 children, returning from a skiing holiday died in a bus accident in Sierre in the Swiss canton of Valais, the Swiss news agency SDA-ATS reported March 14. AFP PHOTO / SEBASTIEN FEVAL (Photo credit should read SEBASTIEN FEVAL/AFP/Getty Images)
