SOCHI, RUSSIA - MAY 11: In this handout image provided by the Palestinian Press Office (PPO), President Mahmoud Abbas (Abu Mazen) meets with Russian President Vladimir Putin on May 11, 2017 in Sochi, Russia. Abbas is visiting Sochi to meet with Putin to discuss the Israeli-Palestinian peace process and bilateral relations. (Photo by Thaer Ghanaim/PPO via Getty Images)