Christchurch, the largest city of the South Island, is situated a third of the way down the east coast. In winter, it is common for the temperature to fall below freezing at night, and snow falls on average once or twice a year. To the west lies the Canterbury Plains, a renowned agricultural area. In recent years, the region’s produce has diversified, with a thriving wine industry springing up at Waipara and the beginnings of new enterprises such as olive production and deer farming. The high-quality local wine has increased the appeal of Christchurch to visitors, as has the closeness of ski slopes in the Southern Alps. In 2011, the city was badly damaged by an earthquake, but regeneration is well underway.