(FILES) This file photo taken on March 2, 2007 shows the plant of German pharmaceuticals and chemicals giant Bayer in Leverkusen, western Germany.
German pharmaceuticals giant Bayer and US agricultural group Monsanto said on May 19, 2016 they are in talks on a possible merger to create a global player in pesticides and seeds, after weeks of speculation about a possible tie-up. / AFP PHOTO / DPA / OLIVER BERG