An estimated 100 tons of firework debris were left on the streets of northeast China’s Shenyang City by revelers celebrating Chinese New Year as the clock struck midnight on Friday. /CFP Photo

As fireworks lit up the night sky, the city’s street cleaners knew that they had a long shift ahead of them. /CFP Photo

The clear-up took a total of 16 hours. /CFP Photo

Such work can be dangerous too. The cleaners needed to be extra careful in collecting the debris, as it might still contain enough gunpowder for an explosion. /CFP Photo

CFP Photo