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However, there are many different climates throughout Europe. For example, during the winter, it may be snowing and -30 degrees Celsius for 4-5 months in Finland. Yet it may be much warmer, with no snow at all except on high mountains, in Spain.
The European Union is a confederation of 28 European countries. These countries agree to follow common laws so that their citizens can move and trade in EU countries almost the same as they do in their own. Nineteen of these countries also share the same type of money: the euro.