After failing to take Ukraine’s second city, Russian forces continue to pummel it with air, artillery and missile strikes. We speak again with an increasingly despondent Kharkiv native. Many schoolyard games have deep histories, conveying culture down the generations; these days they are adapting to the pandemic era. And the revival of Mexico’s murals with a purpose. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer