Why is a Rickshaw the perfect machine to climb the Himalayas?
Because they're not.
The engine is 4.5bhp (if you're lucky). They have tiny wheels and bad suspension, not suited to unpaved roads. They have no protection from the elements. And they're incredibly unreliable.
All of this pretty much guarantees you'll bite off more than you can chew and something will go wrong. Which is where you find what you're really made of. And if you triumph, then next time you'll likely be able to bite even bigger.
And there's this too:
At 5,500 metres above sea level you'd be forgiven for being a bit short of breath. Fortunately with an engine displacement of just 145cc your rickshaw wont even have started panting. Probably.
The other advantage of that tiny engine is that it barely needs refuelling. Handy when the fuel stations are literally hundreds of kilometres apart.
Now do you see where we're coming from?