In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko and students of Kiev National University of Trade and Economics sing the national anthem during their meeting, in Kiev, Ukraine, November 23, 2018. Editorial use only, no archive, no commercial use.

23.11.2018#5709470

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko poses for a photo with students of Kiev National University of Trade and Economics, in Kiev, Ukraine, November 23, 2018. Editorial use only, no archive, no commercial use.

23.11.2018#5709469

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko poses for a photo with students of Kiev National University of Trade and Economics, in Kiev, Ukraine, November 23, 2018. Editorial use only, no archive, no commercial use.

23.11.2018#5709468

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko addresses the audience as he meets with students of Kiev National University of Trade and Economics, in Kiev, Ukraine, November 23, 2018. Editorial use only, no archive, no commercial use.

23.11.2018#5709467

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko addresses the audience as he meets with students of Kiev National University of Trade and Economics, in Kiev, Ukraine, November 23, 2018. Editorial use only, no archive, no commercial use.

23.11.2018#5709466

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko addresses the audience as he meets with students of Kiev National University of Trade and Economics, in Kiev, Ukraine, November 23, 2018. Editorial use only, no archive, no commercial use.

23.11.2018#5709465