NEW YORK, US - APRIL 17: The increase in the number of rats seen since 2020 has become visible on the streets in New York, US.It is believed that the increase in the number of rats was due to the eating and drinking areas were mainly concentrated outdoors after Covid-19.The New York Municipality had recently established a special unit to reduce the number of mice in the city.Kathleen Corradi, the director of the newly established unit, emphasized that New Yorkers hate rats in a statement and promised to see less rats in the city during the struggle process.According to official data, rat sightings have surged throughout New York City in recent years, with a 71% increase recorded since 2020.