و آر ایل:https://m.blog.hu/ri/ritkanlathatotortenelem/image/Napi/289/1896_majus_10_on_this_day_150_years_ago_the_golden_spike_connected_the_union_pacific_and_central_pacific_to_create_the_first_transcontinental_railroad_utah.jpg
و آر ایل:https://ritkanlathatotortenelem.blog.hu/tags/berlin
