The 36th NATO Summit has kicked off in Turkey's capital, Ankara.

NATO Secretary General Mark Rutte delivered remarks at the opening ceremony.

Then, Rutte invited representatives of the allied countries to the stage.

Subsequently, the summit participants took a joint commemorative photo.

As part of the ceremony, videos were shown that reflect NATO's military capabilities and defense potential.

A number of major arms supply contracts are expected to be announced during this NATO summit.