their neighbourhood. Today it is estimated that more than 150 million light sets are sold in America each year, with more than 80 million homes decorated with holiday lights. The town of McAdenville, North Carolina, United States have a tradition called Christmas Town USA where the entire town is decorated with Christmas lights. The town of Lobethal, South Australia, in the Adelaide Hills, is famed for its Christmas lighting displays. Many residents expend great effort to have the best light display in the town. Residents from the nearby city of Adelaide often drive to the town to view them. In the US, the television series The Great Christmas Light Fight features homes across the country in a competition of homes with elaborate Christmas light displays. Other holidays In the United States, lights have been produced for many other holidays. These may be simple sets in typical holiday colors, or the type with plastic ornaments which the light socket fits into. Light sculptures are also produced in typical holiday icons. Halloween is the most popular, with miniature light strings having black-insulated wires and semi-opaque orange bulbs. Later sets had some transparent purple bulbs (a representation of black, similar to blacklight), a few even have transparent green, or a translucent or semi-opaque lime green (possibly representing slime as in Ghostbusters, or creatures like goblins or space aliens). Two types of icicle lights are sold at Halloween: all-orange, and a combination of purple and green known as "slime lights". Easter lights are often produced in pastels. These typically have white wire and connectors. Red, white, and blue lights are produced for Independence Day, as well as U.S. flag and other patriotic-themed ornaments. Net lights have been produced with the lights in a U.S. flag pattern. In 2006, some stores carried stakes with LEDs that light fiber-optics, looking similar to fireworks. These above light strings are occasionally used on Christmas trees anyway, usually to add extra variety to the colors of the lights on the tree. Various types of patio lighting with no holiday theme are also made for summertime. These are often clear white lights, but most are ornament sets, such as lanterns made of metal or bamboo, or plastic ornaments in the shape of barbecue condiments, flamingos and palm trees, or even various beers. Some are made of decorative wire or mesh, in abstract shapes such as dragonflies, often with glass "gems"