A craftsman paints one of the four roly-poly fish lantern installations for the upcoming Mid-Autumn Festival celebration in Singapore on Sept. 2, 2020. (Photo by Then Chih Wey/Xinhua)

Staff members show the models of the four roly-poly fish lantern installations for the upcoming Mid-Autumn Festival celebration in Singapore on Sept. 2, 2020. (Photo by Then Chih Wey/Xinhua)