Hyacinth fairy River Gorge is the largest canyon.

仙人峡是葫芦河流经的最大峡谷。

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In terms of the total vertical profile exposed and the low elevation, Gale offers attractions similar to Mars' famous Valles Marineris, the largest canyon in the solar system.

从目前所能观察到的整体垂直剖面结构和低海拔的特点来看，盖尔陨坑的科研魅力与太阳系中最大的峡谷——著名的水手峡谷不相上下。

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In the lower reaches, the river rounds a high mountain in the eastern part of the Himalayas and turns south, forming the largest canyon in the world-the Yarlung Zangbo canyon.

下游地区，江水绕过喜马拉雅山东段的高山，折向南流，形成了世界上最大的峡谷——雅鲁藏布大峡谷。

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The Grand Canyon in Arizona is one of the largest and most beautiful of all canyons.

VOA: special.2009.10.07

The Torrey Canyon is the largest shipwreck in British waters, and as she sits a long way from shore amongst the same hazardous rocks that she ran on to, its not the easiest wreck to get to.

BBC: Torrey Canyon seabed returns to normal after oil spill

With a planned hydropower capacity of 5.25 gigawatts and a flooded canyon twice as voluminous as the country's largest lake, it is the centrepiece of a plan to increase the country's electricity supply fivefold by 2015.

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