A large grassy area becomes the graveyard.

At one end of the graveyard are the freshly dug graves. One of them has two up-raised arms coming out of the dirt as if trying to embrace someone. The next grave over features two latex spread legs sticking up out of the ground as if awaiting her lover.

Low lying fog drifts through. The secret is a fogger and an ice chest. The fog travels through  an ice chest filled with ice, which cools the fog enough so that it stays close to the ground. Here are some easy to follow  instructions.