1. The Grand Canyon is one of the most famous natural landmarks in the United States.
大峡谷是美国最著名的自然地标之一。
2. The hikers were amazed by the stunning views of the canyon as they hiked along the trail.
当徒步沿着小道行进时，徒步者们对峡谷壮丽的景色感到惊叹。