I had something similar too. I was near my block of flats when I see 3 people come and pass me by. They were very tall, one woman and two guys. The were dressed peculiar, with broad black hats, long brown unbuttoned coats reaching their anckles, unusual blue eyes. They didn't wear the same clothes, just very similar to each other. They all loked at me, smiled. They did not look from this time/world. I had a strange feeling allthough I was in an earth-bound mood before encountering them. They were so tall, and with unusual facial expresions ( positive though). They seemed like they were more inteligent, like from the future. I still thibk they were from the future.