RMK9JW3J–Berlin, Germany. 23rd Sep, 2017. Police on alert because of several simultaneausly mega-events (elections, marathon, football) in Berlin, Germany Credit: Markku Rainer Peltonen/Alamy Live News

RMK9K11C–Berlin, Germany. 23rd Sep, 2017. A Mallard duck takes off in Berlin, Germany, 23 September 2017. Credit: Maurizio Gambarini/dpa/Alamy Live News

RMK9T9E4–Berlin, Germany. 23rd Sep, 2017. Over 5,500 skater took part in the 2017 BMW Berlin Marathon Inline skating race, a day ahead of the Marathon race. Bart Swings from Belgium won the race in 58:42 for the 5th year in a row. Credit: Michael Debets/Pacific Press/Alamy Live News

RMK9JW3K–Berlin, Germany. 23rd Sep, 2017. Police on alert because of several simultaneusly mega-events (elections, marathon, football) in Berlin, Germany Credit: Markku Rainer Peltonen/Alamy Live News

RMK9K11N–Berlin, Germany. 23rd Sep, 2017. A Mallard duck bathes in a lake in Berlin, Germany, 23 September 2017. Credit: Maurizio Gambarini/dpa/Alamy Live News

RMK9T9TK–Berlin, Germany. 23rd Sep, 2017. Skaters cross the finishing line. Over 5,500 skater took part in the 2017 BMW Berlin Marathon Inline skating race, a day ahead of the Marathon race. Bart Swings from Belgium won the race in 58:42 for the 5th year in a row. Credit: Michael Debets/Pacific Press/Alamy Live News

RMK9K121–Berlin, Germany. 23rd Sep, 2017. A Mallard duck bathes in a lake in Berlin, Germany, 23 September 2017. Credit: Maurizio Gambarini/dpa/Alamy Live News

RMK9T9KT–Berlin, Germany. 23rd Sep, 2017. Skaters are exhausted after the race. Over 5,500 skater took part in the 2017 BMW Berlin Marathon Inline skating race, a day ahead of the Marathon race. Bart Swings from Belgium won the race in 58:42 for the 5th year in a row. Credit: Michael Debets/Pacific Press/Alamy Live News

RMK9K12A–Berlin, Germany. 23rd Sep, 2017. Two hamadryas baboons tussle in their enclosure in the zoo in Berlin, Germany, 23 September 2017. Credit: Maurizio Gambarini/dpa/Alamy Live News

RMK9T9NG–Berlin, Germany. 23rd Sep, 2017. The elite female skaters start the race. Over 5,500 skater took part in the 2017 BMW Berlin Marathon Inline skating race, a day ahead of the Marathon race. Bart Swings from Belgium won the race in 58:42 for the 5th year in a row. Credit: Michael Debets/Pacific Press/Alamy Live News

RMK9K0X4–Berlin, Germany. 23rd Sep, 2017. A man and a woman stand on the shores of the Flughafen Lake in Berlin, Germany, 23 September 2017. Credit: Paul Zinken/dpa/Alamy Live News

RMK9T9KF–Berlin, Germany. 23rd Sep, 2017. The elite female skaters start the race. Over 5,500 skater took part in the 2017 BMW Berlin Marathon Inline skating race, a day ahead of the Marathon race. Bart Swings from Belgium won the race in 58:42 for the 5th year in a row. Credit: Michael Debets/Pacific Press/Alamy Live News