(REUTERS/Susana Vera)

(REUTERS/Susana Vera)

(Photo by Sergei SUPINSKY / AFP)

(Photo by Sergei SUPINSKY / AFP)

(REUTERS/Valentyn Ogirenko)

(EPA/SERGEY KOZLOV)

(EPA/SERGEY KOZLOV)

(Photo by Sameer Al-DOUMY / AFP)

(Photo by Dimitar DILKOFF / AFP)

(Photo by Sameer Al-DOUMY / AFP)

(REUTERS/Oleksandr Ratushniak)

(Photo by SERGEI CHUZAVKOV / AFP)

(Photo by SERGEI CHUZAVKOV / AFP)

(Photo by SERGEI CHUZAVKOV / AFP)

(Photo by Sameer Al-DOUMY / AFP)

(Photo by Sameer Al-DOUMY / AFP)

(Photo by Sameer Al-DOUMY / AFP)

(Photo by Sameer Al-DOUMY / AFP)

(Photo by Sameer Al-DOUMY / AFP)

(Photo by Sameer Al-DOUMY / AFP)