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I was impressed.......and these sort of things normally leave me cold.

I'm rather disappointed thinking i was about to see an outstanding feat of endurance by Lepidoptera.

I was waiting for something exciting to happen in the end, oh well. :-2

That took some fancy skills. The driver was moving the arm and the treads at the same time.

The interesting thing is that if you think about it a real caterpillar would use very similar mechanics when climbing from one branch to another.