He said the department had set sight on further developing the cave into a tourist destination, adding that the cave has the potential to attract tourists.
And to prevent a repetition of tourists getting lost in the cave, he said that there would be clear signs to warn tourists which parts of the cave are off-limits.
Located 453 metres above mean sea level, Tham Luang cave is a huge limestone cave with its entrance being a cavern. The cave is abundant with many stalactites and stalagmites and has three smaller caves.