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Asia's largest underground complex takes shape

Primary construction work on the massive Optics Valley Square, the largest underground urban complex in Asia, was completed on Sunday in Wuhan, Hubei province. Included in the construction project was the building of three subway lines and two utility tunnels, which created 1.8 million cubic meters of excavated soil. It's expected the daily passenger flow through the complex will reach 400,000. Zheng Guanghui, vice-general manager of the business department of Wuhan Metro, said construction work began at the end of 2014 and involved a total area of 146,000 square meters in floor space, equivalent to 21 standard football fields, with workers digging as deep as 34 meters.

The Queen's Corgi, is a special treat for dogs