Option B describes how Joseph Paxton designed the Crystal Palace. Paxton made the iron structure supports visible.
The Crystal Palace was a cast-iron and plate-glass structure originally built in Hyde Park, London, to house the Great Exhibition of 1851.
Ot was designed by Joseph Paxton. The Great Exhibition building was 1,851 feet (564 m) long, with an interior height of 128 feet. It was three times larger than the size of St Paul's Cathedral.
Sir Joseph Paxton was an English gardener, architect and Member of Parliament.
