Describir: Early christian and byzantine architecture

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| || | ||  |  ___||  |__  //    / _ \\   /  ___||  \ \\/ //  /_   _// 
| || | ||  | ||__      / //    | / \ || | // __     \ ` //   `-| |,-  
| \\_/ ||  | ||__     / //__   | \_/ || | \\_\ ||    | ||      | ||   
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  `---`    `-----`   `-----`    `---`     `---`      `-`'      `-`'   
                                                                      
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