Assertion: stadium | /r/HasProperty | developed
Facets:
Source sentences:
text: When built, the stadium included an electronic scoreboard measuring 60 × 300 feet (18 × 91 metres) and was the first arena to have luxury “box” seating, a feature included in almost all subsequent large-scale stadiums in the U.S. AstroTurf, a brand of nylon grass named for the team, was developed when it became apparent that the dome’s Lucite panels prevented the growth of natural grass on the playing field.