Saudi Aramco Chief Executive Officer Amin Nasser shakes hands with ADNOC CEO Ahmed al Jaber, also a minister of state of the UAE government, after signing a Memorandum of Understanding (MOU) as India's Oil Minister Dharmendra Pradhan and UAE's Foreign Minister Sheikh Abdullah bin Zayed Al Nahyan watch, during an event in New Delhi, India, June 25, 2018. REUTERS/Adnan Abidi