ABU DHABI, UNITED ARAB EMIRATES - March 07: Sheikh Mohammed bin Zayed Al Nahyan, Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces meets with German Foreign Minister Frank-Walter Steinmeier (not pictured) on March 07, 2016 in Abu Dhabi, United Arab Emirates. Steinmeier is on a three day trip to United Arab Emirates and Oman to discuss the current situation in the Middle East, particularly the conflicts in Syria, Libya and Yemen with members of the government. (Photo by Thomas Trutschel/Photothek via Getty Images)