Dortmund

A man controls a First Person View (FPV)

Patrik Stollarz/AFP/Getty Images

A man controls a First Person View (FPV) multicoptermodel with video glasses during a photo preview for the ‘Intermodellbau’ trade fair on April 19, 2016 in Dortmund, Germany

A colorful leave lies on a car window af...A colorful leave lies on a car window after a rain shower in Dortmund, Germany, on July 24, 2013.   AFP PHOTO / DPA/ CAROLINE SEIDEL /GERMANY OUTCAROLINE SEIDEL/AFP/Getty Images

Caroline Seidel/AFP

A colourful leaf lies on a car window after a rain shower in Dortmund, Germany, on Wednesday