Across
- 3. A drainage network built to prevent flooding in Argentina's capital city.
- 8. A contemporary system designed to handle the heavy rainfall typical of the region.
- 9. A drainage system designed to cope with the city’s cold winters and occasional rain.
- 12. An ancient system built to handle the Mediterranean city’s infrequent but heavy rains.
- 15. A drainage network designed for the frequent rain typical of the Pacific Northwest.
- 16. A drainage system designed to cope with frequent flooding from heavy tropical storms in Thailand.
- 17. A historic street in Marseille, France, with a central drainage system.
- 20. A city in Ireland with a stone drainage system designed to handle frequent rain.
- 21. A drainage system designed for the island’s dry summers and wet winters.
- 23. Features an advanced drainage system built for rapid urban development and monsoons.
- 27. A system developed to deal with the rare but heavy rain in Egypt's capital.
- 28. A system developed to manage snowmelt and seasonal rainfall in Russia’s capital.
- 31. A drainage system integrated with the famous park in Rome, Italy.
- 33. A system built to manage rainfall in South Africa’s dry climate.
- 35. A historical system built to manage flooding near the Arno River in Italy.
- 37. Ancient drainage systems built to manage both city rain and the nearby mountainous runoff.
- 38. A city where the drainage system is carefully designed to avoid the effects of heatwaves and heavy rains.
- 39. A drainage system created to address flooding in Brazil's coastal city.
- 40. A historical drainage system in Portugal built to manage the city's Mediterranean climate.
Down
- 1. A traditional drainage system adapted to the city’s location near rivers in Belgium.
- 2. A modern drainage system designed for one of Europe’s major ports.
- 4. A massive, modern system that controls runoff from one of the largest cities in the world.
- 5. A vast underground network built in the 19th century to manage wastewater.
- 6. A drainage system designed to protect Venice from seasonal floods.
- 7. A drainage system created to address the challenges of rising tides in Venice.
- 10. A drainage system designed to deal with the confluence of rivers and seasonal rain.
- 11. A system designed to manage the short but intense rainfall and snowmelt in Iceland.
- 13. A complex underground system that dates back to medieval times in France.
- 14. Ancient drainage solutions created to handle seasonal flooding in Egypt.
- 18. A city where modern drainage solutions work to keep flooding at bay during heavy rains.
- 19. A system designed to handle both the seasonal rains and occasional floods in Chile.
- 21. A luxury drainage system designed to address runoff from the steep hillsides in the city-state.
- 22. A drainage system designed to manage frequent tropical downpours in Nigeria’s largest city.
- 23. An extensive system built in the 19th century to combat disease and flooding.
- 24. A former industrial drainage system running through Oslo, Norway.
- 25. A drainage system designed to cope with monsoon rains and coastal flooding.
- 26. Known for its unique street drainage, taking advantage of the city’s layout in England.
- 29. Known for its innovative drainage that adapts to the city’s coastal location.
- 30. Features traditional drainage systems designed for tropical downpours.
- 32. A modern system designed to control runoff from the city's large urban area.
- 34. Known for its efficient underground drainage that deals with both rain and snowmelt.
- 36. A drainage system designed to manage heavy rain in this northern European city.