The German city of Wittenberg attracts thousands of tourists to celebrate five centuries since the wedding of the Protestant Reformer. Music, costumes and ‘jubilant celebrations’ take place in historic locations of Martin Luther’s life, such as the city’s castle.

Photographer Juan Pablo Serrano sees the Reformers as an example of how “God uses ordinary people”.

Just how well do you know the Wittenberg Reformer, Martin Luther?