"It won't be easy to come back up later," Elijah remarked after glancing around.
"Right," Sean Knight quickly said:
"You guys should secure a rope to the edge, make sure it's firmly fixed, so when we return, we can pull ourselves up with it."
Elijah and Douglas Cooper immediately took out a rope from their backpacks, compared the terrain on both sides, chose a relatively easy-to-climb spot, and drove a rope into the hard bedrock of the cave wall mixed with soil, then tossed the rest of the rope down following the water.
Sean caught the rope and took out a military shovel from his backpack, driving it straight into the wall nearby before winding the rope around it.
"Alright, come down!" Sean waved to the other two.
Elijah and Douglas jumped down one after the other.
Sean glanced deeply at the pit carved by the rushing water, then waved his hand:
"Let's go find Lincoln Harrington!"
The three of them walked quickly, and Douglas couldn't help but say:
