TOPSHOT - This picture taken on May 20, 2026 shows tourists walking by the mausoleum of 12th century Sufi Muslim saint Khoja Ahmed Yasawi, a UNESCO World Heritage Site, in Turkestan city. The railway network of Kazakhstan, the world's largest landlocked country, runs on Soviet-era broad gauge (1520mm) track and stretches more than 16,500 kilometres. Overnight sleeper train travel between major cities is a popular way to explore both the historic and modern sides of Kazakhstan, Central Asia's most developed economy. (Photo by Philip FONG / AFP via Getty Images)