The Sixaola River runs along the border between Costa Rica and Panama. For many people, it forms a crucial part of their livelihood, but climate change has caused extreme fluctuations in the water level.
In the rainy season masses of water flow down from the mountains, causing the river to burst its banks. That causes damage to nearby farms, and sometimes even changes national borders. After heavy flooding, a farm that was once in Costa Rica had suddenly 'moved' to Panama, with far-reaching consequences for local people.
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