Evelyn noticed the protruding stone ledges nearby were covered in black bat guano, like mouse droppings.
Bat guano is also known as Nightlight Sand, a type of traditional Chinese medicine.
But Evelyn had no interest in collecting it. She had to keep moving forward.
Some of the caves were so narrow the kayak could barely squeeze through.
"Ah..." Every time Evelyn reached a new cave, she would shout into the entrance to estimate its size.
Spotting another stone ledge, Evelyn quickly paddled over. It was small, only about three or four square meters. She carefully inspected the stone wall, even wiping it with an alcohol-soaked cloth, but found nothing.
'Has my good luck run out?'
Evelyn took off her mask for a breath of air. The stalactites and stone pillars here were different from the ones outside. They were especially small, like coral, and breathtakingly beautiful.
'I'll rest for a bit. I refuse to believe I'm going home empty-handed today.'
