Although the terms of use are clear enough, the reasons for censorship are not, because nowadays (and it was not always like this) it is assumed that their intention is to exclude pornography or sexually explicit images, a policy that can thereby extend to exempting scientific and artistic images. 
Ingawa masharti ya kutumia yako wazi sana, sababu zinazoweza kutumiwa kwa ufuatiliaji haziko wazi, kwa sababu siku hizi (na imekuwa hivi siku zote) inaaminiwa kwamba nia kufuta kabisa picha za ngono au zenye maudhui ya kimapenzi, sera ambazo inaweza kuhusisha hata picha za kisayansi au za sanaa.