Why America is increasingly using spy balloons | Abroad

It seems like something from the distant past: releasing a balloon to keep an eye on the enemy. Don’t we have satellites for that now? But the advantages of a balloon are increasing again, so that the United States is also starting to use them again. They are spending 25 million euros on this this year alone. Read here what we already know about the Chinese rig, why balloons are so interesting and how the very first one came to hang over Belgium.