terrain

The terrain was gradual in its ascent and once I reached Quail Valley and Middle Ranch, the recently graded road was fast hardpack that allowed for cranking away the miles.

By contrast, the Packbot, a remotely operable military robot that is also an iRobot product, runs on treaded wheels, which signals to users that it can go over rough terrain or obstructions.

Upper Wharfedale Fell Rescue Association said more than 100 volunteers took part in the "long and difficult" rescue, which was hampered by worsening weather, flooding, rough terrain and long hours underground.

Daisy seemed surprised, maybe even confused, by the altered terrain.

Over the years, she has operated a variety of trains across the length and breadth of India, sometimes navigating challenging terrain and harsh weather conditions.