Three tressles support that bridge and I support you.
Perhaps there should be four as they look slender to the task at hand.
Years ago only the odd horse and cart passed above, now 600 horsepower diesel engines shove trailers of bricks, beer and shoes to a far destination.
Walk for six minutes and you will not see or hear any of this. A stream trickles pretending to have no effect on the landscape. But we all know the truth!