At some point in your life, you may have wondered why manhole covers are round, and what the markings all over them mean. This question has been used as an interview question by Microsoft. While ...

The first bid notice the Winterbornes responded to was probably the one published in the San Antonio Evening News, June 14, 1922, for 200 manhole rings and covers, “heavy type,” and 600 ...

A man whose passion for cleaning drains and manhole covers has led to him being jokingly nicknamed "the drain spotter" is sharing his life's work in a special exhibition. Grandfather Archie Workman's ...

The iron lids, which weigh up to 90 kg, feature designs specific to Kyoto. One displays a pattern of “court carriage” wheels, while the others show the city’s emblem at the center.

According to media reports, new manhole covers cost around ￥60,000 each. One of the covers features a pattern reminiscent of the wheels of a court carriage — a reference to Kyoto’s time as Japan’s ...