At Yosemite alone, more than 20,000 kids take part in the Yosemite Junior Ranger Program.

仅在约塞米蒂国家公园，就有2万多名儿童参加了约塞米蒂初级护林员项目。

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Whether it's ecosystem benefits of wildfire or race relations in a national historic site, "the park ranger doing the evening program doesn't embellish," Jarvis added.

无论对一个国家的历史地方的生物和种类关系的生态系统有任何好处，“公园管理员正在做的晚间节目没有添油加醋，”Jarvis补充道。

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Whether it's ecosystem benefits of wildfire or race relations in a national historic site, "the park ranger doing the evening program doesn't embellish, " Jarvis added.

无论对一个国家的历史地方的生物和种类关系的生态系统有任何好处，“公园管理员正在做的晚间节目没有添油加醋，”Jarvis补充道。

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Kids can pick up a Junior Ranger Program activity booklet.

BBC: Finding solitude in US national parks

On its Twitter account this week, the agency commented about the letter of apology from the junior park ranger, a title given to youths between ages 7 and 13 who complete a program while visiting a national park.

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