Those totems mean people must be nearby. Maybe even the Fog People. I bet the film crew followed this path. If we want to find them, we'd better follow the totems. Let's just ignore that they depict a giant snake 🐍. Not creepy at all.
Let's follow those totems. It seems to be the only way anyway.

An abandoned ship 🚢! I bet that this is the ship the film crew sailed on down the Amazon river. Looks like they got stuck. Someone might still be inside though, let's search it.

Whoever was there, it looks like they were in a rush. In order to open the following door, please get the keys here:

In order to open the following door, please get the keys here:

I knew it! Raul Perone said that someone might be inside. This guy looks a little worse for wear. He's trembling in fear. What in tarnation happened here ...

Looks like it's up to us. Find the anchor ⚓️ and free it. If the anaconda appears, run back to the deck right away. Pull the lever to open the doors and close the one you got here through.

Free the anchor ...

... and run back to the deck!

That guy wasn't lying, the anaconda is the biggest I have EVER seen. Let's get out of here!