From the ground, the work of Gitxsan artists Alex and Michelle Stoney might look like little more than a collection of driftwood and rocks scattered along the shore. 

But from the air, in photos taken with a drone, lines and forms emerge to reveal large-scale Indigenous artworks. 

The pieces, known as formlines, have been created at secret sites along the Bulkley and Skeena rivers. But photos of the creations have been shared all over social media. 

The idea for the project came to