The small town of Rjukan in Norway is situated between several mountains and does not get direct sunlight from late September to mid-March -- nearly six months out of the year.“Of course, we notice it when the 1 is shining," says Karin Ro, 2 works for the town's tourism office. "We see the sky is 3. but down in the valley, it's darker ... it's like on a cloudy day"But that changed when a system of hi-tech mirrors was introduced to release sunlight from neighboring peaks into the valley below. Wednesday, residents of Rjakan received their very first ray of winter sunshine: A row of reflective boards on a nearby mountainside were put to use . The mirrors are 4 by a computer that directs them to turn along with the throughout the day and to close during windy weather. They reflected a concentrated beam of light onto the town's central 5, creating an area of sunlight roughly 600 square meters. When the light appeared, Rjukan residents 6 together."People have been sitting there and standing there and 7 pictures of each other," Ro says.“The town square was totally full. I think almost all the 8 in the town were there" The 3,500 residents cannot all 9 the sunshine at the same time, however, the new light feels like more than enough for the town's sun-starved residents."It’s not very big ” she says, "but it is 10 when we are sharing.”[A] who [B] controlled [C] sun [D] people [E] enough[F] small [G] square [H] area [I] blue [G] moon[K] dark [L] gathered [M] taking [N] showing [O]enjoy。