Lan’s class is going to go on a two-day excursion to visit some caves near Huong pagoda. They want to see with their own eyes what they have learnt in their geography lessons recently and relax after their hard work, as well. They have planned their trip carefully. For Lan, the only problem is getting her parents’ permission. She will try to persuade them so that she will be albe to join her classmates on the excursion.