They generally get better gas mileage than their truck-based cousins, though they won't be able to climb a pile of rocks.

FORBES

At several points, the rocks were too high or the climb too steep, and fragile bamboo ladders or ropes had been placed to make the ascent a little easier.

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He says moon explorers need to be able to climb ladders, walk long distances and scramble over rocks.

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It will climb the rise, and, as it does so, study rocks that were laid down billions of years ago in the presence of liquid water.

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