A massive citywide Saturday voluntary cleanup day took place in Naberezhnye Chelny last weekend. As part of the autumn harvest, the territory of the Nizhny Kama National Park was cleaned of debris and branches. The event was joined by employees of the Prikamskiy Territorial Administration of the Ministry of Ecology and Natural Resources of the Republic of Tatarstan, caring residents of the city, including students, employees of the executive committee and educational institutions. More than 1,000 people took part in the cleanup day.