Cambodia, Sept. 29 -- Recently, the Techo International Airport in Cambodia commenced official operations.The CSCEC-constructed airport is the largest steel-structure project ever built in Cambodia and the country's first 4F-level international airport, the highest grade in the global civil aviation system.Located in Kandal Province, about 19 kilometers from downtown Phnom Penh, the airport covers 2,600 hectares and spans both Kandal and Takeo provinces. Its terminal building consists of a central hall flanked by two wing-shaped structures, inspired by Cambodia's ancient civilization and local architectural forms. Once operational, the airport will be able to handle up to 50 million passengers annually.As the largest steel-structure project...