"Oh, this is truly incredible!"
Roar roar roar—the helicopter's rotor blades spun rapidly, creating a thunderous noise as it slowly flew through the azure sky. This was Xunyang County in Shaanxi Province, China, where the "Firefly" production crew was engaged in aerial photography. From high above, the county town nestled among green mountains and rivers had a unique topography, with winding watercourses surrounding it, resembling the shape of a Tai Chi symbol; thus, it was also known as the "Natural Tai Chi City."