In some rural communities around the world, people cannot get to school, a market, or visit the doctor because of a river they cannot cross. Footbridges are a common solution in many places. These basic bridges are often made with rope and pieces of wood. They're not very strong and sometimes fall down.

About 20 years ago, a man in the US saw a photo in a magazine of a person in Ethiopia being hauled over the Blue Nile River on a rope. This was how people crossed the river ever since the old bridge collapsed. The image made Ken Frantz, a construction company owner, decide to fix that bridge.

Frantz created a group called Bridges to Prosperity to build the bridge. The group worked with the local people who would use the bridge, and the tribal elders gave permission for the project. Donkeys carried supplies to the area, and Frantz, his team, and local volunteers built a lightweight steel bridge in 10 days. Since then, Bridges to Prosperity has built more than 250 bridges in countries around the world.

A safe and reliable footbridge improves the lives of people in rural areas. It means they can bring goods or food to a market to sell. They can possibly earn an income from this. It also means children can go to school and families can visit their relatives on the other side of the river.

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There are places where not having a bridge is a problem.

Most footbridges are made of lightweight steel.