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The graffiti are recorded systematically according to each wall (lateral wall right: wall A, lateral wall left: wall D, back wall left of the window: wall B, back wall right of the window: wall C). Each wall is divided into sectors, which are specified by their coordinates depicted in the overall view of each wall. Nearly every sector is represented by both a detailed photograph and a line drawing which can be accessed directly through the overview as well as via the lateral menu bar. A greatly enlarged version of each sector provides an even more detailed view of the walls. Scroll bars are used for navigation. Returning to the overview representations is possible by clicking on the links “Wall A”, “Wall B” etc. in the lateral menu bar. The box in the upper left corner indicates the currently viewed sector. By clicking on the arrow symbols, the photographs and the line drawings can also be navigated in sequence. In each sector it is possible to switch between the photography and line drawing view. The overview of the walls A-B and C-D are intended for orientation and are not linked to the individual sectors. They can only be accessed via the start page (Home).
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