The world is built on elevators, but that’s not the case in many places.
In some countries, people still use stair lifts to get to their homes and workplaces.
Now researchers have discovered the world’s tallest elevator shaft doesn’t need a lift.
The new research was published in the journal Nature Communications.
The findings are important, says lead author of the study, Dr Paul Clements.
Elevators don’t provide the same level of safety as escalators or lifts, he says.
“They can’t hold more than a couple of people at a time.
They’re really, really hard to get in and out of, and they’re really loud.”
Elevators have long been used in China and other countries for their accessibility.
“There are hundreds of elevators in China, for example, and we’re not talking about one at the moment, we’re talking about thousands of elevator shafts,” Dr Clements says.
There are many reasons for this, he said.
“If you’re a small town and you want to build a restaurant, for instance, you don’t want a high-rise because you’re too high-profile and the people might not want to walk around in a restaurant,” he said