The vampire crept up to his victim. The victim slept. Her gown was drenched in champagne. The champagne frothed. Combine the sentences, converting the entire second idea into a past participle inserted into the first sentence.
Water recirculates through the aquarium.
Something filters the water. A young man climbed out of the sports car. The young man was built well. A beautiful paper gradually took shape in the machine. Someone was typing the paper.