Ok. I jumped 3 bridges in the jeep. Now I shot some bad guys. And there looks to be only 2 places to go. One is where the jeep can go in. But, it appears to be blocked by sand. So, no go. The other place requires me to climb up. I go into a cave with a downward spiral. I can't walk down or jump down. A previous response to a post about the spiral said the jeep can drive down the spiral. How do I get the jeep up here to do the spiral thingie and how to I unblock the entrance for the jeep? I tried grenades an no luck.

when you first drive into the cave, turn right just inside the door. back the jeep up to the wall and drive forward. You'll land at the top of the last slope of the spiral. back down and turn around. You can head out to the right but you should get out of jeep first and look at the bad wall back in the dark part of the cave. Use Urgon's part to open and get treasure before continuing.

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