German Foreign Minister Frank-Walter Steinmeier said on Sunday that we must cooperation between Germans and Greeks should seen as having mutual benefit. Following his meeting with Greek Foreign Minister Nikos Kotzias, he said that both countries should work to strengthen the two countries mutual trust. “We agreed to make an inventory on the bilateral relations between Germany and Greece and discuss their future development.” He said that the difficult problems that both countries are called to solve should not erode the two countries relations.