Okotoks artist Therese Dalë Kunicky's work involves a messy and labour-intensive first step: she makes her own paints ... of all my old oil paints and I ended up just using hand-ground paints ...

For sets, houses were constructed using metal frames covered by cardboard as artists would eventually paint over each ... the artistic process for hand painting oil on canvas.

But the acclaimed 16th century work – which currently hangs in the Museo del Prado in Madrid – features a face that its artist did not paint ... who had a hand in the painting of Joseph ...