Texans ditching grass field for artificial surface at NRG
In College Basketball, Cavernous Stadiums Tend to Dampen Shooting - The New York Times
Photos: The Roof is Open at NRG Stadium
NFL: Tennessee Titans at Houston Texans
5 Things About the NRG Stadium Roof Before Super Bowl LI, 2017-02-01
5 Things About the NRG Stadium Roof Before Super Bowl LI, 2017-02-01
Step Inside: NRG Stadium - Home of the Houston Texans - Ticketmaster Blog
Take a look around NRG Stadium, home of Super Bowl LI
A Brief History of Innovations at Texas Stadiums, From AstroTurf to Robot Servers