Suggested Topics
1900-1999
1
Agriculture
1
Aspect de l'environnement
1
Aspect environnemental
1
Environmental aspects
1
Ethiopia
1
Famines
1
Histoire
1
History
1
Hungersnot
1
Landscape changes
1
Landschaftsentwicklung
1
Landwirtschaft
1
Landwirtschaftsentwicklung
1
Modifications
1
Paysage
1
Paysages
1
agriculture
1
famine
1