Sinkhole divers. Some of the most spectacular are the Zacatón cenote in Mexico (the world's deepest water-filled sinkhole), the Boesmansgat sinkhole in South Africa, Sarisariñama tepuy in Venezuela, the Sótano del Barro in Mexico, and in the town of Mount Gambier, South Australia. Sinkholes that form in coral reefs and islands that collapse to enormous depths are known as blue holes and often become popular diving spots. Large and visually unusual sinkholes have been well-known to local people since ancient times. Nowadays sinkholes are grouped and named in site-specific or generic names. Some examples of such names are listed below. The
A Marriage Below Zero A Marriage Below Zero A Marriage Below Zero is a novel by Alan Dale. Published in 1889, it is described as the first English-language novel portraying a romantic relationship between two men. The book is told from the point of view of Elsie Bouverie, a pretty, frivolous English girl who falls in love with handsome, quiet Arthur Ravener. They marry, and Elsie gradually comes to realise that she has competition for Arthur's affection in the form of Captain Dillington, Arthur's male lover. Elsie engages a private detective who provides her with an address in Notting Hill; she goes there to