Botar Lake Oasis in Thar Desert, Sanghar, Pakistan

botar lake sanghar pakistan oasis thar desert aerial view waterbody sand dunes desert nature landscape wilderness travel scenic remote aquatic vegetation natural beauty arid environment environmental ecosystem tranquil serene outdoors exploration conservation bird habitat freshwater south asia sindh desert flora water resource natural reservoir survival biodiversity ecological balance clear water sand sky clouds heat dry climate untouched nature desert lake mirage local geography calm waters rural setting aerial