BEIJING, June 20 -- From early Friday morning, waterways crisscrossing Chinese cities, towns and villages have been reverberating with the rhythmic splash of paddles and the beat of drums as people celebrate the Dragon Boat Festival.

The festive spectacle offers city residents the perfect outing as they begin their three-day break on Friday, while also drawing villagers from nearby areas to cheer for their hometown teams and join the celebrations.

As traditional culture enjoys a resurgence in China, Dragon Boat Festival celebrations are more lively than ever, sparking increased demand for tourism and cultural products. Their economic and social ripple effects extend well beyond the three-day holiday, giving a sustained boost to local to...