Based on the text provided, here is a summary of the ecology camps in Russia:
- The camps are located near the Zhizdra River in the Ugra National Park in Central Russia.
- School students in Russia study ecology and participate in events concerning environmental problems.
- The camps provide children with the opportunity to learn practical things to take care of nature and help the environment.
- The students' expedition aims to explore the flora and fauna of their native land and learn about practical ecology.
- They experience nature using all their senses, such as seeing, hearing, feeling, and understanding.
- The students participate in volunteer work like cleaning springs and paths in the forest.
- They learn practical lessons about living independently in the middle of the forest, including putting up tents, making a fire, cutting wood, and cooking on an open fire.
- One of the favorite activities is singing around the camp-fire.
- The campers enjoy their stay and hope to return the next year.