Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...
JRR Tolkien is pictured next to the tree in August 1973 in what is believed to be one of the last photographs of The Lord of the Rings author For about two centuries, a towering black pine stood in ...
The Sycamore Gap sapling is symbolised as a living memorial to knife crime victims A sapling grown from the famous Sycamore Gap tree has been planted in a south London park as a symbol of hope for ...
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