id	keyword
ajoaa-1781	egypt
ajoaa-1781	water
ajoaa-1781	desert
ajoaa-1781	land
ajoaa-1781	nile
ajoaa-1781	agriculture
ajoaa-1781	egyptian
ajoaa-1781	journal
ajoaa-1781	people
ajoaa-1781	forest
ajoaa-1781	afforestation
ajoaa-1781	development
ajoaa-1781	area
ajoaa-1781	plants
ajoaa-1781	vegetation
ajoaa-1781	asian
ajoaa-1781	soil