What I mean, in today’s tip, is this: your pictures look interesting if there is a juxtaposition in it – a contrast, an unusual difference between opposites.Big and small. Ugly and Beautiful. Organic and technical. red and green.
Or like in this picture, old and new:
When a juxtaposition is combined with another “interest”, such as “curves”, or here, “reflections”, so much the better.
And here one more, with blue and an intriguing shadow: intrigue (making the viewer work it out) is always good in pictures!