
A team tested people from many countries. They wanted to see how people walk. They watched thousands of people walk in circles. They found something strange. Most people walk to the left. This happens in every country. The team was surprised by this.
Why do people turn left? Some experts have ideas. One idea is about the brain. The brain may make us turn left. Another idea is about old times. Long ago, this helped people live. The reason is not clear yet.
Children turn left. Adults turn left. People who are right-handed turn left. People who are left-handed turn left too. The team will do more tests. They want to find the true reason.