battle of the black water

8. Their relationship on the person which they are trying to persuade The event takes place in English Bay at 10:00 PDT on four nights, beginning over a Wednesday and ending on a Saturday, over the bi weekly period during July and August. Each of the four performances have at least a three-day separation for preparation for the next competitor. Three companies representing their countries perform a twenty-five minute firework display set to music. A grand finale is performed on the last day by all the competitors. Sunglasses allow better vision in bright daylight, and may protect one's eyes against damage from high levels of ultraviolet light. Typical sunglasses are darkened for protection against bright light or glare; some specialized glasses are clear in dark or indoor conditions, but turn into sunglasses when in bright light. Most sunglasses do not have corrective power in the lenses; however, special prescription sunglasses can be ordered. Specialized glasses may be used for viewing specific visual information (such as stereoscopy) or 3D glasses for viewing three-dimensional movies. Sometimes glasses with no corrective power in the lenses are worn simply for aesthetic or fashion purposes. Even with glasses used for vision correction, a wide range of designs are available for fashion purposes, using plastic, wire, and other materials.