![](http://www.ecns.cn/hd/2019/08/28/abc5854506634f5887dde5f4c378b848.jpg)
Sukhoi Su-57 fighter jets perform at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo/Agencies)
![](http://www.ecns.cn/hd/2019/08/28/48f18c90019d496d9f6f95c60a0074a7.jpg)
Sukhoi Su-57 fighter jets perform during a demonstration flight at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo/Agencies)
![](http://www.ecns.cn/hd/2019/08/28/7c3d2b5848414274914385f20c4c0c1d.jpg)
The Irkut MC-21 mid-range jet airliner performs during a demonstration flight at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo/Agencies)
![](http://www.ecns.cn/hd/2019/08/28/c5444411b0c448028aea0a3bbef3649f.jpg)
Sukhoi fighter jets perform during a demonstration flight at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo/Agencies)
![](http://www.ecns.cn/hd/2019/08/28/990736b302ff45db8ba08e64f5e32137.jpg)
The Embraer E-195 E2 and Airbus A350-950 jet airliners are seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo/Agencies)
![](http://www.ecns.cn/hd/2019/08/28/532f8caa1caf47cab103e883942148d5.jpg)
Promoters attend the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo/Agencies)