Although the people of Earth had embraced cycling, they still faced many challenges. The roads and cities were built for cars, and it was difficult to navigate them on a bike. But the aliens had a solution for this problem too.

They worked with the people to create more bike-friendly cities. They built new bike lanes and created safe spaces for cyclists to ride. They also taught the people how to fix and maintain their bikes, so they could keep them in good condition.

At first, there were still some obstacles to overcome. Some people would park their cars in the bike lanes, or drivers wouldn't give cyclists enough space on the road. But the people worked together to raise awareness about the importance of sharing the road, and things started to improve.

With each passing day, more and more people began to appreciate the benefits of cycling. They felt healthier, happier, and more connected to their community. They were also proud to be doing their part to help the environment.

The challenges of adapting to a new way of life were not easy, but the people of Earth showed great resilience and determination. They worked together to create a better world for themselves and for future generations. And with the help of the aliens, they were able to overcome the challenges and build a brighter future.