You cannot find a reason why Dalí painted what he did.
Some of Salvador Dali's majorpaintings were explosion, sleep, narcissus, enfgeo, dream, giraffe, soft self portrait, and persistence of memory and time.
His dreams or dreamlike pictures.
Landscapes.
He was a surrealist.
because he was........
It was painted in 1978
he didn't, Munch did in 1893 way before Dali
Oil paint.
Dreamlike, seemingly realistic pictures.
When he was 5.
Oil paint on canvas.
He did make it. It is not a painting, though, it is a lithograph.