Diederichs's stone
The Diederichs's stone ( , ) was a German monument in the city of Qingdao to commemorate Admiral Otto von Diederichs and the German occupation of the Kiautschou Bay concession on November 14 , 1897 . 
<triplet> Diederichs's stone <subj> Kiautschou Bay concession <obj> depicts <triplet> Otto von Diederichs <subj> Kiautschou Bay concession <obj> work location