The bridge story:
There was a big river, runs through the town, over the river bridge remains open most of the time,and the ships can cross, but it closes at other times, in order to pass trains on time.
The responsible worker for the opening and closing dates of the bridge used to accompany his only son sometimes to play in the middle of nature, while he is sitting in a booth high. To close the bridge in a timely manner in order to allow train crossing.
One day, as he sat, came a signal refers t