Antolini Luigi - Italy - Lenticular clouds are lens-shaped clouds that normally develop on the downwind side of a mountain or mountain range. This occurs when stable, moist air flows over a
Lenticular clouds light up UK sunset skies - BBC Weather
Lenticular Clouds: Calm in Appearance, Dangerous in Reality
Lenticular clouds: Where and how they form
Huge lens cloud in Turkey looks like eery UFO
Photos and Videos Show UFO-Shaped Cloud in Turkish Town