Rain washes away loose soil and penetrates cracks in the rocks.

雨水冲走了松散的土壤，穿透了岩石的裂缝。

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After 15 minutes of climbing over large rocks, pushing past bushes, and slipping down loose earth, Grant found a pink figure.

整整15分钟，格兰特翻过巨石，穿过灌木丛，从松散的泥土上滑下，之后，他发现了一个粉色的身影。

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Don't come near the edge! I slipped on loose rocks and fell over.

不要靠近这边，我踩到了一块松动的岩石，掉下来了。

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Although glaciers are receding, leaving loose rocks and making the terrain more difficult and dangerous, the country's highest peaks remain relatively easy to reach.

BBC: Scaling the Ecuadorean Andes