“The thickness of the largest thunderstorm clouds reaches 16 km. This is almost twice the height of Everest, the highest mountain on Earth, and lightning in just 1 second can cover a distance of 140,000 km”, specialists from the Zavolzhskiy Territorial Administration of the Republic of Tatarstan Ministry of Ecology began their story about precipitation. They conducted an eco-lesson “On Rainfall” for children of “Romashka” kindergarten in Buinsk town.