LONDON (Reuters) – Britain's foremost living sculptor Antony Gormley wants us to get inside his head with his latest work "Model", a 100-tonne steel maze of cubes and squares, dark corners and splashes of light on show at the White Cube gallery in London. The giant grey-black work, based on a human form lying down, is entered via the right "foot", and combines the fun of an adventure playground with the unnerving quality of a labyrinth often plunged into darkness. …