Things are disappearing in the Ukrainian city of Kherson at a rapid rate. Some are physical objects. Russian troops are taking away ambulances, tractors and stolen private cars. Cultural things are going too: archives, and paintings and sculptures from the art and local lore museums. Even the bones of Catherine the Great’s friend and lover, Grigory Potemkin, have been grubbed up from a crypt in St Catherine’s cathedral and spirited away. Russian soldiers are ferrying this loot across the Dnieper river, to the left bank of the Kherson region. They have also been deporting local citizens under the guise of...