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2009, Ursula Muscheler,Sternstunden der Architektur: von den Pyramiden bis zum Turmbau von Dubai (Beck'sche Reihe)[1], C.H.Beck,→ISBN,→OCLC, page19:
Im Inneren befindet sich eine 4auf 6 Meter große und 5 Meter hohe Grabkamme . Vor der Pyramide standen vier Säulen , die vermutlich Bronzestatuen des Cestius trugen.
Auf is aWechselpräposition, meaning that it is used with accusative case when the verb shows movement from one place to another, whereas it is used with dative case when the verb shows location. In idiomatic combinations with verbs the correct case is not always predictable and must be memorised.
Generally speaking,auf is used when referring to something being on a horizontal surface, as opposed toan, which usually points to a vertical surface.
Auf is used with language names not preceded by any determiners or adjectives; otherwisein is used. Thus you say somethingauf Englisch(“in English”), butin gutem Englisch(“in good English”). The phraseauf gutem Englisch may not be entirely ungrammatical, but it is doubtful and at most informally acceptable.