One of the bleakest places on Earth today is the central processing facility for the remains of dead soldiers in the Russian city of Rostov-on-Don, the logistical hub of Russia’s invasion of Ukraine. Designed to process hundreds of corpses at a time, this sprawling mega-morgue has been hopelessly overwhelmed for many months. Footage from the inside, posted by witnesses on social media, shows hundreds of bodies in various stages of decomposition and limbs strewn across the corridor floors. In wooden boxes lining the walls from floor to ceiling, row after row after row, are the lucky ones: those whose bodies...