Centrum mosque

TOPSHOTS A woman wears a headscarf in the Centrum mosque in Hamburg, northern Germany on October 3, 2013 during an open day for mosques in Germany.  AFP PHOTO / DPA / AXEL HEIMKEN +++ GERMANY OUTAXEL HEIMKEN/AFP/Getty Images

Axel Heimken/AFP/Getty

A woman wears a colourful headscarf at the Centrum mosque in Hamburg, during an open day for mosques in Germany on Thursday.