World landmarks lit up to show solidarity following the devastating attacks in Paris. Facebook users also showed their support by displaying red, white and blue on profile pictures across the world. 130 people were killed after a series of planned terrorist attacks occurred through the city. These attacks came just 10 months after the country and world were coming to terms with the Charlie Hebdo shooting earlier in the year. Which other images defined 2015 for you? Share your favourites below in the comments thread.
