This photo taken on April 26, 2018 shows a towering skyline of Shenzhen, south China's Guangdong Province. In less than 40 years, the height of Shenzhen's tallest building has risen from 160 meters to 600 meters. Within four decades since China undertook the "reform and opening-up" policy, Shenzhen has transformed itself from a small farming town into a booming modern metropolis. As China's first special economic zone, the city has succeeded in developmental achievements as it grows rapidly at the outpost of the country's economic reform. Today's Shenzhen is at first hand a city of architectural and engineering wonders. Behind its rising skyline lie the efforts of generations of architects, designers and construction workers. (Xinhua/Liu Dawei)