Tate says: Miroslaw Balka creates evocative, abstract sculptures that often reference the darker history of his native Poland. In 2009 he created 'How It Is' an immense steel container at Tate Modern, which presented a gaping void that people could walk inside on a journey into darkness.

1. More from Tate
2. Another look from Tate
3. Miroslaw Balka's website