| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | tupolev tu 134 | Former Soviet Union countries | Iconic passenger aircraft commonly used in the Soviet Union and its allied countries during the Cold War era. | 1 |
| 2 | tupolev tu 134 | Former Soviet Union countries | Tupolev Tu-134 is a well-known aircraft model used for domestic flights in Russia and other former Soviet Union countries. | 1 |