Belarussian border guards go to a train to check passengers' passports after they arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passenger's passport in a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passenger's passport in a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passenger's passport in a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard stops a car at a checkpoint Kotlovka at the border between Belarus and Lithuania, near the village of Kotlovka, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a truck with a mirror at a checkpoint Kotlovka at the border between Belarus and Lithuania, near the village of Kotlovka, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, are seen in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, is seen in a cell in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, are seen in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, looks through a small window in cell's door at a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, are seen in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passenger's passport with magnifying glass in a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, are seen in a cell in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passport with magnifying glass at a checkpoint Kotlovka at the border between Belarus and Lithuania, near the village of Kotlovka, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, looks through a small window in cell's door at a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passenger's passport with magnifying glass in a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, are seen in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





A Belarussian border guard checks a passenger's passport with magnifying glass in a train after it arrived from Lithuania, at the railway station Gudogai, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)





Vietnamese detained while attempting to cross the border illegally from Belarus to Lithuania, according to border officials, are seen in a temporary detention facility in Smorgon, Belarus, November 22, 2016. (Photo by Vasily Fedosenko/Reuters)