De quoi est fait levee
An embankment against floods.
- Earth embankment — a pour partie. An earth embankment.
- Clay core — a pour partie. A clay layer that keeps water out.
- Stone-faced embankment slopes — a pour partie. Slopes reinforced with stone or turf.
- Universal gravitation — utilise. The weight of the embankment holds back the water.
- Argile — est fait de. Levees were built up of earth and clay.