Complex sentence: Every year the municipality organizes the "Celebration of the Angels" (Greek: Γιορτή των Αγγέλων), which is the official lighting ceremony for the Christmas tree and is accompanied by other festive activities, including bands, choirs, popular Greek singers and fireworks displays.
Split into simpler sentences: Every year the municipality organizes the "Celebration of the Angels" (Greek: Γιορτή των Αγγέλων), which is the official lighting ceremony for the Christmas tree. It is accompanied by other festive activities, including bands, choirs, popular Greek singers and fireworks displays.