Two (in my opinion) ufo's above the city of Medellin, Colombia (South America)Looked across, saw 2, what i would consider as UFOs as i have never seen anything like it in my life. There were two, one was higher than the other one. I have photos, and if you zoom into the photo you can see the flying object is a disk shaped object. It was situated over the sky of medellin, Colombia (south America), my 3 friends were with me. One of the objects moved away across the sky keeping the same height, the other one was very much higher and moved upwards and away. They had the ability to keep in the same place, they did so for 5 minutes or so. The one that moved across the sky before stayed in one place and did so continuously. After the 5 minutes were over and eventually after four minutes was the other side of the city....what i will add that i think is an extremely important point is that the the flying objects were VERY close to aeroplanes that were flying into the airport, this is why i knew (in my opinion) that it was a UFO simply because if any other flying aircraft were that close the pilots of the strange crafts would be sacked as they were so close to the planes coming into land. There were no lights coming front he craft, well there might of been as it was in the day, but from what i could see no lights at all. Eventually after they went further away we got in a taxi and went back to our hostel (black sheep) Medellin, colombia.