The Guardian: Guardian business Christmas quiz 2020By The Guardian. Published Dec. 13, 2020 at 3:59 pm In this file photo people shop for Christmas decorations at Vsi Svoi Store on Khreshchatyk Street in Kyiv on Dec. 19, 2018. Photo by Volodymyr PetrovDo you know your Tesla from your Arcadia? Then test your 2020 business knowledge here with our annual quiz.Read more here.