Photo taken on March 25, 2019 shows planes on a media preview of the 15th Langkawi International Maritime and Aerospace Exhibition (LIMA) in Langkawi, Malaysia. The 15th Langkawi International Maritime and Aerospace Exhibition (LIMA) will see the participation of hundreds of companies from dozens of countries, Malaysian Defense Minister Mohamad Sabu said on Monday. (Xinhua/Chong Voon Chung)