"It wasn't the complexity of the science that we were covering it was more the complexity of going deep underground and all of the fears that come with that."

When your boss tells you you need to travel 2000 meters below the earth's surface for your next assignment would you be scared or excited? According to Shini Somara, from CGTN Europe's RAZOR team, it was a mixture of both. 

"The idea of having two kilometers of rock sitting on top of you isn't the most comfortable idea," says Somara, who made the trip for a report on some of the world's leading scientists' search for dark matter.  

Learn more about Shini's experience and why a stick of chewing gum was a vital piece of equipment for the journey.