Hello. The incident happened in Hayes London approximately late 2018 at around 0700 on a Saturday morning. I was at work in an industrial area. I was waiting for a colleague. While I was waiting I was just looking around admiring the early morning fresh air, and enjoying the quite time of day, no one around, and I started to look at some sea gulls squawking near by. The sea gulls were about 40 metres away. Where they were located was 2 rows of small warehouses, with a parking area that joined the street. the parking area was about 40 metres wide. The sea gulls would squawk and fly around a bit, and land on either side of the the parking area on one of the roofs of the warehouses. No one was around, just me, no sign of life except for me and a few sea gulls. As I was enjoying the view and enjoying the sea gulls i did a double take. There i saw were were 2 identical sea gulls moving in perfect unison, one above the other about 6 inches apart. i stared in shock trying to process what i was interpreting visually. The 2 sea gulls were the same sea gull (if that makes sense) but one was six inches above the other. I watched trying to establish if I was going mad, or was dreaming, or was hallucinating, and then a 2nd sea gull was having the same duplicate scenario. This lasted for about maybe 30 seconds. i can't remember if they landed, so I guess I was stunned and shocked and didn't pay attention, I was quite emotional for some time afterwards, feeling low and glum. I know its one in a lifetime chance to see something truly incredible but at the same time it troubled me deeply. After searching myself as to why i was so emotional, i realised it was because seeing this challenged my belief in God, in my belief system, all that I grew up and believing. it troubled me because it raised new questions about my reality. Was it (as they say) a glitch in the matrix? This was one of the strange events that happened over a year period. It all started when I met a security guard (Dave) who was telling me strange reality stories. I believe Dave is literally a walking twilight zone. I believe strange phenomena occurs after you be around him, even in the same area as him, for just a minute, strange things happen. Dave moved jobs and strange things stopped happening. I welcome any thoughts of this strange event.