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Josef Stoffels historic photos offer a glimpse into the boom years of the coal industry | All media content | DW | 23.01.2018
![Josef Stoffels historic photos offer a glimpse into the boom years of the coal industry | All media content | DW | 23.01.2018 Josef Stoffels historic photos offer a glimpse into the boom years of the coal industry | All media content | DW | 23.01.2018](https://static.dw.com/image/42181958_403.jpg)
Josef Stoffels historic photos offer a glimpse into the boom years of the coal industry | All media content | DW | 23.01.2018
![Josef Stoffels historic photos offer a glimpse into the boom years of the coal industry | All media content | DW | 23.01.2018 Josef Stoffels historic photos offer a glimpse into the boom years of the coal industry | All media content | DW | 23.01.2018](https://static.dw.com/image/42181978_303.jpg)