Ecosystem, water and renewable energy

Aerial view of an active mountain quarry. Winding roads traverse the hills, with material extraction areas and surrounding green zones. The sky is clear with a few scattered clouds.

Several explorers are inside an underground cave. A bright green light emanates from a pool of water located in the center of the cave. The cave walls are rocky and feature various geological formations. The explorers are wearing safety equipment and appear to be examining their surroundings.

Two people, one wearing a red hat and the other a white cap, stand in a field of yellow flowers. They appear to be observing something in the distance. In the background, there is dense green vegetation.

A herd of white and gray cows grazing in a mountain pasture. The lush green mountains and rocks are visible in the background under a clear blue sky.

Two felines are depicted in a simulated environment with rocks, plants, and a natural landscape background. An open book is visible in the foreground.

A group of children is at the entrance of a cave, surrounded by greenery. A guide is showing something to the children, who appear captivated. The children are wearing backpacks and clothing suitable for hiking. The cave is partially visible, with surrounding rocks and plants.

Several children are gathered in a park to learn how to ride bikes. They are wearing safety helmets and are surrounded by adults supervising them. The bikes are of different sizes and colors, and the children seem to be having fun while learning. The park is surrounded by trees, and there is a large colorful sign in the background.

A stone wall in a cave features ancient rock carvings. The figures include stylized humans, animals, and abstract symbols. The scene is illuminated by the flickering light of a candle, casting dramatic shadows on the carvings.

An isolated mountain refuge with a metal structure and stairs leading to the entrance. People are visible outside, and the refuge is surrounded by rocks and vegetation. The landscape is mountainous with grassy slopes and scattered trees.

Two wolves, one white and one gray, are standing on rocks in a snowy forest. The trees around them are covered with snow, and the ground is strewn with rocks and moss.

A child wearing a headlamp is exploring a cave. The child is dressed in a blue and red jacket and is crawling on the rocky ground. The cave is dimly lit, with visible rocky walls and a few other lamps in the background.