Read the text carefully.
School Festival: Welcome to SMP Harmoni!
Every year, SMP Harmoni holds a school festival. This year, the festival is more colorful than ever. Students decorate many places at school. The library is full of student-made bookmarks and posters. The science lab becomes a mini museum with fun experiments. The school yard hosts a photo booth and a mini concert stage. Near the canteen, students sell snacks and drinks. The art room displays beautiful paintings and crafts made by students. Visitors love to walk around and enjoy every corner.
QUESTION: What is the main idea of the text?