Invisible water in caves

[^Minecraft 2021-11-20 19-08-00.mp4] When I was mining for deepslate in a cave, I came across invisible water and lava in a cave

Steps to reproduce:

1: Use the seed 318008(great mountain seed btw)

2: Go to the coords 576 11 250

3: Press the jump button

I attempted to attach a video, but the site won't accept the video token