| Clue | Source | Date |
|---|---|---|
| City high-rises | ||
| High-rise buildings (11) | ||
| Manhattan high-rises | ||
| Their constructors must meet very high costs | ||
| Tall office blocks | ||
| Very tall buildings (11) | ||
| Cressy parks laid out with towering blocks (11) | ||
| New York giants | Universal | 25 Jul 2019 |
| Tower blocks | The Telegraph Quick | 13 Apr 2019 |
| New York giants | ||
| Chicago School architects' products |