The artists posted the parcel at a post office in east London on Wednesday at 12:43 GMT.

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In addition to its traditional services of letter and parcel delivery, the Post Office now provides services such as e-commerce fulfilment, billing and customer management, logistics and warehousing.

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Everywhere he went, people were talking about combining residential, retail and office space on the same parcel.

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In addition to posting his manifesto online, Dorner reached out directly to CNN, mailing a parcel to AC360 anchor Anderson Cooper's office at CNN in New York.

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