It's a steel truss bridge, meaning it has a boxy steel frame.
In a blog Ms Truss described England's adult-to child ratios for nurseries and child minders as "restrictive".
Earlier this year, a report by Elizabeth Truss MP, now education minister, said staffing ratios in nurseries should be reduced to cut red tape and costs.
The dramatic ceiling vaults to impressive 43-feet at the center, providing an arched steel truss over a 150- by 234-foot cement floor making it an ideal venue for rehearsals as well.
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The spacewalkers then plugged in power and data connectors to the truss and prepared a radiator to cool it.
In a written answer to a parliamentary question, Ms Truss confirmed that 261 schools were due to be rebuilt under the government's Priority Schools Building Programme.
In March, Education Minister Liz Truss announced PSHE would remain a non-compulsory subject, saying it should be down to schools and teachers to decide on the topics covered in lessons.
Neither has Elizabeth Truss, who'll lose a lot of her South West Norfolk constituency and gain a lot of the Fens.
An earlier report from Ms Truss suggested that the average family spent more than a quarter of their earnings on childcare - Britain has some of the most expensive childcare in the world, with some mothers saying it does not make financial sense to work.
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The authors include Elizabeth Truss and Dominic Raab, both tipped to be promoted in a future reshuffle.
"Election now, election now, " was frequently the chant, and a fallback line for some of the speakers - like the Nationals leader Warren Truss - who are not renowned for the power of their oratory.
"That might also be a function of the fact that these people are engaging more in social media, " said Mark Truss, JWT's director of brand intelligence.
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