国家宝藏

作者：Brian S.McGrath; 梁小明

来源：中学生英语, 2020, (19): 10-11.

<正>For Kari Cobb,hiking in the Grand Canyon is a journey through history.At the bottom,the Colorado River flows as it has for 6million years.Cobb gazes up at the cliff face.She thinks of the indigenous1,or native,people who lived in and around the canyon long before the arrival of non-native explorers.The Grand Canyon stretches across 277miles of Northern Arizona."It is massive,"says Cobb.She is a park ranger."You cannot see all of it.That’s what makes this place so intriguing2."In 2019,Grand Canyon National Park celebrated its 100th anniversary.Special events took place at the park throughout 2019.Vanessa Ceja-Cervantes was the anniversary outreach3 coordinator."We hope visitors will connect with the park and learn to be stewards4 of the land," she said.But the Grand Canyon’s popularity makes it hard to protect.In 2017,the park had more than 6 million visitors.Balancing tourism and

• 出版日期2020