1) Ballooning has become popular in Britain due to the picturesque landscapes and stunning countryside views that can be seen from high up in the air. Additionally, the calm and peaceful experience of floating in a balloon appeals to many people looking for a unique and thrilling adventure.

2) Some disadvantages of ballooning include the potential risks involved, such as unpredictable weather conditions and the lack of control over the direction of the balloon. Ballooning can also be quite expensive and may not be accessible to everyone. Furthermore, some people may experience motion sickness or fear of heights while in the air, which can detract from the overall experience.