Imagine finding a cave where the gap to go through and explore was only large enough for one of your team members. To say the least... you'd probably be shitting it.
A group of explorers in the Mount Gambier region of Western Australia chipped away at a tiny crack in the rock before creating a gap for Briton Patrick Fitzgerald to squeeze inside. It looks pretty amazing in their video.
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Stewart, who is no stranger to such experiences, said it's the thrill that keeps him coming back.
He said: "The exploration, the hope of finding new tunnels and territory that no one else in the world has ever seen is a big draw card.
"This doesn't happen very often as finding a new cave in your backyard is hard to do and takes perseverance, you generally have to go farther afield to find this."
Stewart does it for the 'joy and excitement' of being in an 'alien environment'.
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Apart from all the right equipment and experience, Stewart added that there's one special thing you need to rely on - the LADs.
He explained: "You need to rely on your mates and diving buddies for back up in unforeseen circumstances which builds strong friendships.
"Spending time with your mates on a weekend with similar goals and reliance is also very much a part of the enjoyment. There's no place for egos and bullshit."
Stewart is a big fan of scuba diving and often finds caves where the water is deep enough to dive in.
His immediate goal is to carry on exploring the area and find new caves.
"New entrances are opening all the time due to land movement and wet weather, and we have a small group of mates very interested in finding new caves to dive," he said.
"We all get those moments when the heart rate can get up a bit and things get interesting but your training kicks in and you stay calm and figure it out.
"The trick is to slowly raise your experience and awareness of situations so you spot problems before they happen and prevent them. If in doubt, end the dive and return to the surface."
Stewart described going through a tunnel of water, but, on the return, it was silted and the line previously followed led to solid rock. By working out how the line got dragged into an area they were unaware of, they were able to get back.
Using thirds of a tank as measurement for when to call time (a third going in, a third going out, and a third for contingencies), Stewart can navigate safe dives.
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Sounds a bit cocky, however, he said: "But, if you're not out of your comfort zone, you're just on holiday, you're not having an adventure."
Featured Image Credit: Media Drum World