People light butter lamps to pray for good luck and happiness in the new year during a butter lamp lighting service at Guangren temple in Xi'an, capital of northwest China's Shaanxi province, Feb 12, 2019. Citizens and tourists light butter lamps here on Tuesday to express good wishes. [Photo by Liu Xiao/Xinhua]People light butter lamps to pray for good luck and happiness in the new year during a butter lamp lighting service at Guangren temple in Xi'an, capital of northwest China's Shaanxi province, Feb 12, 2019. Citizens and tourists light butter lamps here on Tuesday to express good wishes. [Photo by Liu Xiao/Xinhua]People light butter lamps to pray for good luck and happiness in the new year during a butter lamp lighting service at Guangren temple in Xi'an, capital of northwest China's Shaanxi province, Feb 12, 2019. Citizens and tourists light butter lamps here on Tuesday to express good wishes. [Photo by Liu Xiao/Xinhua]