Instagram images confirm that BIG's Bjarke Ingels and Jakob Lange have inflated the huge reflective sphere they crowdfunded for this year's Burning Man festival, which is well underway in the Nevada desert.

A post shared by Leeda Emelyanova (@l.emelyanova) on Aug 29, 2018 at 10:22am PDT

Ingels and Lange's The Orb is one of a number of artworks and installations that attendees have captured and posted on the image-sharing platform, since the festival began earlier this week.

A post shared by Tommy Boy (@tommykennard) on Aug 30, 2018 at 2:38am PDT

The photographs show that the BIG architects ? who began fundraising for the huge inflatable sphere in July this year ? have gone ahead with the construction despite not reaching their $50,000 (£37,907) crowdfunding target.
A post shared by Jessica Rose Yurasek (@missjessrose) on Aug 29, 2018 at 12:26pm PDT

The mirror balloon is anchored to the ground by a 32-metre inclined steel mast, reflecting the sandy plane and partygoers below during the day. A nighttime shot shows it illuminated by lights placed underneath.

A post shared by Dave Keane (@davekeane) on Aug 30, 2018 at 3:28am PDT

Other shots offer a glimpse of the structures created across Black Rock City ? the temporary home to 70,000 people during the festival, which began 26 August and runs until 3 September this year.

A post shared by Charles P Robinson (@charles_p_robinson) on Aug 30, 2018 at 6:56am PDT

Among these ...