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Emergency measures!

Simple techniques often work, but they need lots of effort.

Here a whole community is filling sandbags.

The sandbags will be placed by the river bank to stop water leaving the channel, and in case it does, they will also be placed in front of homes to try to stop the water getting inside.

1. READ/play the text
2. CLICK the picture (and video)
3. TRY this:

Q1: What are some of the difficulties in trying to protect land using sand bags?

[Answer]