Refer to the passage below and then answer the question afterwards in the same language as the passage: Passage: With Switzerland joining the Schengen Treaty in March 2009, the air side was rearranged to include a Schengen and non-Schengen zone. Sezvo muganhu wekutarisa unoshandirwa nevashandi veSwitzerland neFrance, vafambi vanoenda kana kusvika kubva kunyika dzisiri dzeSchengen vanogona kugamuchira chitambi chepasipoti cheSwitzerland kana cheFrance, zvichienderana nekuti ndeupi mukuru wavanosangana naye. Mubvunzo: Switzerland yakabatana riini nesungano yeSchengen?
Kurume 2009