Children stand on a wing of a plane during an open day at Rayak Air Base in Bekaa, Lebanon, on Oct. 31, 2021.Photo:Xinhua

People gather around a plane during an open day at Rayak Air Base in Bekaa, Lebanon, on Oct. 31, 2021.Photo:Xinhua

Children are seen in a helicopter cockpit during an open day at Rayak Air Base in Bekaa, Lebanon, on Oct. 31, 2021.Photo:Xinhua

People pose for photos during an open day at Rayak Air Base in Bekaa, Lebanon, on Oct. 31, 2021.Photo:Xinhua

People pose for photos in front of a helicopter during an open day at Rayak Air Base in Bekaa, Lebanon, on Oct. 31, 2021.Photo:Xinhua

People pose for photos in front of a helicopter during an open day at Rayak Air Base in Bekaa, Lebanon, on Oct. 31, 2021.Photo:Xinhua