Cremation urns ... human body lost around 21 grams of weight (representing the soul) after a person died. In Sturkenboom’s project, 21 grams is the amount of ashes interred inside the glass ...

The object here is a trachea and its twin bronchial tree—the superstructure of the human lungs. It was sculpted out of borosilicate glass by Wade Martindale, the senior craftsman at Farlow's ...