Morten Leck Plesner and Christian Elovara Dinesen are Ultra-Groen (Ultra-Green), a Danish art duo who take their lead from the wilds of nature and create playful interventions into public spaces, designed to engage passers.

Cue helium-filled boats flying high above lakes, glowing tents nestled among branches and tripped-out Tardis-like underground worlds viewable only through a periscope submerged in the earth.

Find the interview with Morten and Christian here.

Read the original blog post here on Dazed Digital.