In the valley of the Roussenski Lom river, in North-East Bulgaria, a complex of rock-hewn churches, chapels, monasteries and cells developed in the vicinity of the village of Ivanovo.

伊凡·诺沃岩洞教堂位于保加利亚东北部洛姆河流域伊凡·诺沃村一带，由岩洞教堂、教堂、道院和石墓组成。

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On 13 March a joint commemoration in honour of Holocaust victims will be held by Bulgaria, Macedonia and Greece in Lom, northern Bulgaria.

BBC: Bulgaria regrets failing to save thousands of Jews in WWII