Hefei

In Eastern China's Anhui Province, hundreds of driverless delivery vans navigate their way through the suburban streets of Hefei - a city with an official population of eight million - as human-driven scooters and cars whizz around them.

However, Hefei remains the most advanced.

He later broke down when speaking to reporters in the city of Hefei.

Researchers from the University of Turku, Finland, and the University of Science and Technology of China, Hefei, have now proposed a theoretical idea and made corresponding experiments to overcome this problem.

"While we have done numerous experiments on different facets of quantum physics with photons in our laboratory, it was very thrilling and rewarding to see this very challenging teleportation experiment successfully completed," says Dr Zhao-Di Liu from the University of Science and Technology of China, Hefei.