Writing: an informal letter

People generally enjoy participating in traditional and sometimes crazy events all around the world. Here you have some examples of the craziest festivals we've encountered. Which one would you like to attend?

Here you have a letter from a girl called Agnés, she is describing a festival in her home town. Read the letter and think about the tone, contractions and phrases she uses. Are they appropiate? Do you think a formal style would be more suitable?

Now, use the following tips to write your answer!