----- Nội dung dịch tự động từ ảnh ----- 4. officially/ national holiday/ Tet/ last/ three days/ however/ Vietnamese people/ often/ spend/ nearly a mon celebrate/ this special event 5. prepare/ Mid-Autumn Festival/ make/ colorful lanterns/ happy activity/ between/ families/ children 6. Whale Festival/ a festival/ worship/ the whale/ pray/ the good fortune/ the fishmen 7. while/ elephants/ race/ people/ cheer/ encourage/ them 8. Hung Kings Temple Festival/ one of/ most important/ national holiday/ Vietnam/ commemorate/ Hung Kings