The Clifton Bridge in a post stamp

I like it blue

Two hundreds years have passed, but still technical choices are discussed on the tip of personal taste

“Of all the wonderful feats I have performed, since I have been in this part of the world, I think yesterday I performed the most wonderful. I produced unanimity among 15 men who were all quarrelling about that most ticklish subject – taste.”

Isambard Kingdom Brunel, getting approval for his famous  suspension bridge over the Avon Gorge in Bristol, one of the most challenging engineering ventures of his time.