An overview about why the flood happened in Thailand. Really simplifies it without laying blame on anyone for what has happened. At the moment the flood is threatening to put Bangkok under up to 1.5m (about 5 feet) of water as long as the levees in place are able to hold back the water and authorities can release it gradually.
If the levees break – there will be a flash flood, a true worst-case scenario.
Here’s the flood video: