Beyond the four businessmen, <a href="https://en.wikipedia.org/wiki/Saint_Basil%27s_Cathedral">St. Basil's</a> Cathedral is under renovations. Behind the woman in red is the GUM department store. Taken by my grandfather David C. Cook on a visit to Moscow for a meeting of the International Electrotechnical Commission. Development stamp is June, 1969, so perhaps this is May.