Pitaya flowers, also known as dragon fruit flowers, are seen blooming at night in SW China's Sichuan Province on July 22. /VCG

The dragon fruit is white-fleshed with tiny black seeds and vibrant pink skin. It usually blooms between 6:30 and 7:00 p.m. /VCG

Farmers, seizing the moment, were kept busy hand-pollinating the fruit. /VCG