求翻译：老师宣布内容如下：自己准备午餐与零食。星期日上午8点在香山公园门口集合。9点开始爬山。然后到达山顶吃饭。午餐过后可以自由活动，但不能走远。4点30返回学校。是什么意思？

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My teacher announced that reads as follows: their own lunch and snacks. Sunday 8: 00am in Xiangshan park gate. Hiking begins at 9. Eat and then get to the top. after-lunch freedom, but cannot go far. 4.30 to return to school.

Teacher announced the content is as follows: Own prepare the lunch and the between-meal snack.On Sunday in the morning 8 o'clock in Xiangshan park entrance set.9 starts to climb a mountain.Then arrives the summit to eat meal.The lunch might move freely from now on, but will not be able to walk far.4

Teacher declared as follows: own lunches and snacks. Sunday at 8 o'clock in the morning in the gate of fragrant Hills Park. 9 o'clock start climbing. And then reached the Summit dinner. Lunch afterwards free but cannot go far. 4 30 returning to school.

Teacher declared as follows: own lunches and snacks. Sunday at 8 o'clock in the morning in the gate of fragrant Hills Park. 9 o'clock start climbing. And then reached the Summit dinner. Lunch afterwards free but cannot go far. 4 30 returning to school.