What is the news item mainly about? [originaltext] The American space shuttle

The American space shuttle Endeavour has lifted off for the International Space Station on its final mission. It blasted off into the bright morning sky as a cheer went up across the Kennedy Space Center. An estimated half a million people lined the beaches, roads and bridges across Florida’s space coast to catch one final glimpse of the spacecraft.When Endeavour returns to Earth, it will be sent to a museum in California, leaving only one working space shuttle. Atlantis is due to launch in July, one last mission for a space programme that’s lasted for 30 years.