FILE PHOTO: CEO Jan Jenisch of world’s biggest cement group LafargeHolcim addresses the annual news conference in Zurich, Switzerland March 2, 2018. REUTERS/Arnd Wiegmann/File Photo
FILE PHOTO: CEO Jan Jenisch of world’s biggest cement group LafargeHolcim addresses the annual news conference in Zurich, Switzerland March 2, 2018. REUTERS/Arnd Wiegmann/File Photo