Is it a sign? This picture has won a top photography prize — and captured the hearts of people all over the world.
The mystical power of a white bear dreaming
Rare bear: Nima Sarikhani spent three days searching in fog for a bear to photograph. Glossary
Kenya - A country in East Africa with a population of nearly 54 million people.
Natural History Museum - A big museum in London which displays evidence of life in the past, such as dinosaurs.
Fragility - When something is easily broken.
Theories - Ideas that you still need to prove are true.
Shamans - People who are said to have special powers to interact with good and evil spirits.
Inuit - Groups of indigenous peoples living in the Arctic and subarctic regions.
Ancient - Very old.
Dream interpreter - Somebody who looks for meaning in dreams.
Experiment - A controlled test to see if an idea is true.
Climate change - Long-term shifts in temperatures and weather patterns. Human action is a major cause of climate change.