Spectacular aerial view of the mega city Shenzhen in a helicopter tour. China's Shenzhen has transformed from a small backward border town into an international metropolis over the past four decades. China's Shenzhen launched a helicopter tour on Tuesday to celebrate the 40th anniversary of the establishment of the Shenzhen Special Economic Zone (SEZ). Representatives of entrepreneurs, prominent laborers and medical workers combating COVID-19 pandemic, among others, were invited as the first batch of tourists. They boarded a helicopter and flew over Shenzhen's downtown and attractions. Helicopter tours developed by an aviation corporation in Shenzhen allow residents to enjoy the splendid aerial view of the mega city.