On this World Environment Day, 50 years after the United Nations designated June 5 as World Environment Day to foster environmental awareness and prompt action, Jiang Xueting, a 23-year-old graphic designer, depicts her hometown Bole, a border city in northwest China's Xinjiang Uygur Autonomous Region, with paint and brush. In recent years, the city has witnessed notable environmental achievements. "That's our promise to mother earth," she said.

Produced by Xinhua Global Service■