Dig one simple hole and see...
How hard is that?
Like drilling an oil well or mining for gold, the story only gets better until you actually drill or mine.
I don’t see the parallel line. Looks like something else to me. Like an eroded syncline or anticline.
Doesn’t matter if this is the Ark or not. The Ark was built, used, settled on Mt. Ararat and then probably rotted away. The Bible doesn’t say what happened to it.