Barneo is like a special tent that people set up on top of really thick ice in the middle of a very cold place called the Arctic. People who go to Barneo wear special clothes to keep them warm, like warm coats and hats and big boots.
Barneo is only set up for a short time every year, so that scientists, explorers, and adventurers can come visit and study the cold environment around them. They use special instruments to measure things like the temperature of the ice, how thick it is, and what kinds of animals live in the area.
But even though Barneo is set up on ice, it's not like a regular tent that you might use when camping. It's actually a pretty special place with lots of equipment and people who work hard to keep everything running smoothly. They have generators that make electricity, so they can have lights and keep warm inside. They also have things like radios and satellite phones to talk to people who are far away.
So, that's what Barneo is, a special tent on ice where people go to learn about the really cold and icy environment of the Arctic.