Complex sentence: The Krasnyi Bor dumping site is a hazardous waste dumping site in Krasny Bor, Tosnensky District, Leningrad Oblast, Russia, about 30 km to the southeast of Saint Petersburg.
Split into simpler sentences: The Krasnyi Bor dump site is a hazardous waste landfill site in Krasny Bor, Tosnensky District, Leningrad Oblast, Russia. The site is located about 30 km to the southeast of Saint Petersburg.