insulation

"The tent itself has virtually no insulation on the ground," he said.

A BBC News special report into the incident last year highlighted the concerns from a former employee about the installation of insulation on top of the ceiling and ducting in 2015.

Lines that are not placed underground will be hardened and covered with insulation.

The artist had shoved large yellow insulation strips into a skip that now looked like a fast-food container that the seagull divebombed to steal chips.

These benefits include appearing more legitimate to potential customers and funders, and insulation from charges of racism.