Psychology training and visual perception are very vital for remembrance and past experience. We remember what our brains want to remember, what we have chosen to remember. Our brain forgets the rest on its own. Because the brain is psychologically alert and wishes to remember a thing, the visual scenes never leave us.
In Spanish, the word guagua means a bucket, however, in colloquial everyday speech, the Cubans also refer a bus as a guagua. The word is not that new, actually, as it has been used with this meaning since the 19th century in Cuba