While walking near my house, I could see this light moving, I only made video of a short part of the sighting. At 6 pm I left my house to walk, while watching the sunset with red colors, I saw this light that moved in a straight line. I decided to record on video, because I thought it was something abnormal because of its size and the distance it was far away. About 20 km away is the Punta Cana airport, so at first I thought it could be the wake of an airplane, but no plane was seen and the light kept moving forward. after about 5 minutes I lost sight of it.