In Argentina, we still use many glass bottles for drinks. Some kids asked me during itineration what they do with all of the bottle caps. As you might have guessed, some are recycled. But, in our area, they also use the bottle caps to secure areas of the ground (especially near sidewalks) that are deteriorating due to the massive amount of rain that we receive each year. The bottle caps that are stuck into the ground create a safe area to step on that will not slide even when covered with a puddle of water. (Oh... and my kids love asking waiters for extra caps so they collect them)
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