360º Pano

Parachute Pano

With Paraglider over Campo croce near Bassano del Grappa soaring the thermals on the southern slopes of Mte Grappa Canon 50D with Sigma 4,5 mm Fisheye, free-hand, PTGUI, Photoshop CS3, Pano2VR”

[Source: ‘Flugpano Papierfassung’ on 360cities.net.]

I just have one question: How on earth did Martin shoot this!?