David Levene photographs the Horizon Field by Antony Gormley

A panoramic view of a figure at Kriegeralpe, near Lech, one of 100 figures that make up Horizon Field by Anthony Gormley Photograph: David Levene/Guardian

A life-size figure at Kriegeralpe, near Lech. The figures in Horizon Field are expected to remain in the Alps for at least two years Photograph: David Levene/Guardian

Some of the figures in Horizon Field have been placed in isolation while others are easier to reach Photograph: David Levene/Guardian

A figures from Horizon Field at Kriegeralpe, near Lech Photograph: David Levene/Guardian

A figure at Kriegeralpe, near Lech in the Vorarlberg mountains Photograph: David Levene/Guardian

The 100 figures were winched by helicopters into the Alpine meadows Photograph: David Levene/Guardian

A figure at Diedamskopf Photograph: David Levene/Guardian

A figures at Diedamskopf Photograph: David Levene/Guardian

A figure at Kriegeralpe, near Lech. Gormley says Horizon Field will be his last project of its kind Photograph: David Levene/Guardian

A close-up of the face of one of the figures
Photograph: David Levene/Guardian

A figure at Kriegeralpe, near Lech, where in a few months the figures will be submerged by snow Photograph: David Levene/Guardian

Gormley hopes Horizon Field will prompt questions about the fate of humankind Photograph: David Levene/Guardian

A cow investigates one of the figures at Kriegeralpe, near Lech Photograph: David Levene/Guardian

A figure stands in silhouette Photograph: David Levene/Guardian

A figure at Diedamskopf Photograph: David Levene/Guardian

A close-up of a figure at Diedamskopf Photograph: David Levene/Guardian

Horizon Field figures at Diedamskopf Photograph: David Levene/Guardian

Gormley has positioned all 100 figures, including this one at Diedamskopf, in a horizontal line Photograph: David Levene/Guardian

A visitor has his photograph taken near one of the figures Photograph: David Levene/Guardian

A figure at Kriegeralpe, near Lech
Photograph: David Levene/Guardian