The machinery of the state, and the production of luxury goods, was so well structured that it could work perfectly well despite any foibles at the top.
They trap everything that falls inside, including light, anything that passes through the event horizon, which is the boundary, um, is trapped there forever, it can just never escape.
" Plants are the basis of all life, including ourselves. We depend upon them for every mouth of food that we eat and every lungful of air that we breathe, " said David Attenborough, presenter of the series.