German Economy Minister Peter Altmaier (2ndR) and German Foreign Minister Heiko Maas (3rdR) arrive at the "Energy Transition Dialogue" conference on April 17, 2018 at the federal foreign office in Berlin. Every spring the "Berlin Energy Transition Dialogue" brings together key international decision makers, members of the civil society and experts to discuss viable concepts for the ongoing global transformation of the energy sector. The conference runs until April 18, 2018. AFP / DPA / Kay Nietfeld
