Depicted is the Lomanstreet, downtown Amsterdam, The Netherlands.

That the trees are so crooked isn't probably because they were planted that way, but the reason can be that trees grow towards the sun. The houses only reveal a narrow strip of sky and the branches stretch towards the light. Another explanation is that the roots that point towards the street don't work so well because the soil there is heavily compressed due to traffic.

I'm not a specialist in that matter, so I can't judge whether the given explanations are right or not. What I know for sure however is that especially in the Fall, when the sun shines golden through the colorful leaves, this street becomes an extraordinary photo opportunity.

I've read too that the municipality has done tests to check the stability and it has been shown that the roots are more than capable of keeping the trees (Platanus hispanica) 'upright'.