The teens said they were doing the journey to raise money for the British Heart Foundation and have gained 25,000 followers on Instagram and 87,700 followers on TikTok.

“We’re excited for everything. Get more experience as the days go on, we’ve learned a lot in these three weeks,” James said.

“There’s definitely a few countries we can’t go through because of wars, because of some of their laws,” he said. “It took like two or three months of planning.

“We had a time range where we had to leave because we didn’t want it to be winter going through Europe.

“We planned it out so that we can get to Kazakhstan for April, because then the weather is not too cold.”

The 18-year-old said they were “confident that we’re going to make it”.