- - Illusory sights
- - Illusory visions
- - Illusory things
- - Things seen that aren't there.
- - Illusions as grime is converted
- - hot tricks?
- - Russian space station gets on with optical illusions
- - Optical illusions in deserts
- - they're not real
- - Desert illusions
- - Motorway anger ultimately destroys illusions
- - Disappearing lakes, e.g
- - Optical illusions in hot places
- - Saharan illusions
- - Oases in cartoons, e.g
- - Oases that aren't there
- - Lakes in the desert, say
- - Untouchable sights
- - Sights not to be believed
- - You can't inspect them too closely
- - Delusions in the desert
- - Desert delusions
- - Phantasmagorias
- - French fighter-bombers
- - Gobi's refractory images
- - Optical phenomena.
- - Sahara phenomena.
- - Desert phenomena.
- - Optical illusions.
- - They're not there
- - Sahara sights
- - Saharan sights
- - Illusions
- - Desert sights
- - illusions in the desert
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- [ Other definitions ]