FILE PHOTO: A worker makes copper trays inside a workshop in Kolkata, India, October 26, 2017. Picture taken October 26, 2017. REUTERS/Rupak De Chowdhuri/File Photo
FILE PHOTO: A worker makes copper trays inside a workshop in Kolkata, India, October 26, 2017. Picture taken October 26, 2017. REUTERS/Rupak De Chowdhuri/File Photo