 <translate> This is the relevant information: 20 Million Miles to Earth began production in Rome, Italy in September 1956, using only William Hopper of the main cast, and moved to the U.S. from October 30 to November 9 of that year. The answer is Rome , Italy. <yor> Eyi ni alaye ti o yẹ: 20 Million Miles to Earth bẹrẹ iṣelọpọ ni Rome, Italy ni Oṣu Kẹsan ọdun 1956, lilo William Hopper nikan ti oṣere akọkọ, o si gbe lọ si AMẸRIKA lati Oṣu Kẹwa Ọjọ 30 si Oṣu kọkanla Ọjọ 9 ti ọdun yẹn. Ìdáhùn náà ni Róòmù, ní Ítálì. 