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UFOs are big business. Movie producers (make) huge fortunes out of them, scientists and writers make their livings from investigating them, and huge parts of the internet (dedicate) to them. In fact, most people (be) fascinated by the thought of aliens visiting earth. Perhaps one of the most famous ufo sightings (happen) in roswell, new mexico in 1947. In july, some strange wreckage and a crash site (find) at the us air force base at roswell, just a mouth after someone (spot) nine disc-shaped ufos flying over mount rainier. All sorts of reports followed of aliens, dead and alive, which (see) at the site. An investigation (carry out) by government agents, but what actually happened (never/reveal). To try and find out more, we (interview) dr green, a member of de roswell institute. Several years ago, green (work) at the centre whe he ) by the son of the security man who (be) on guard duty when the ufo crash happened. Apparently, his father (see) alien corpses and even a live alien near the crash site. after the incident, government agents (threaten) his father and he was forbidden to tell anyone about what he (witness) but many years later, when he was ill, he (reveal) it to his son, who then told dr green. soon afterwards, the son himself (warned off) by mysterious men dressed in black suits. Since roswell, there (be) thousands of ufo sightings worldwide. some (be) explained by natural phenomena, but what about the others? And if there really are extraterrestrials living on alien planets, (be) interested in visiting us?
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