Your pick for the New Seven Wonders of Nature

A skier on the Matterhorn.

Milford Sound is New Zealand's entry in the long list for the New Seven Wonders of Nature competition.

The South Island location is up against the likes of the Great Barrier Reef in Australia, the Matterhorn between Switzerland and Italy and the Niagara Falls on the United States-Canada border in the global search.

Tell us what you think is the greatest natural wonder on earth - and why.