Labels:banner | baseball | chair | clock | crt screen | dome | door | earth | grandstand | monitor | person | plant | seat | sky | tree | tv | windowpane OCR: Astroturf, an artificial grass used for sports fields, was first used for the American football pitch ai the Astrod ome in Houston. Itis made mostly from Nylon. SUN TIME MAP TOPIC ASTROTURF OFF ON CD INFO NOTES BACK STORIES Houst Nvlor