Points 
https://www.youtube.com/watch?v=If0YbSYSuGg
The first SAIL event took place in 1975 and returns every 5 years. This years event took place in, and around, Amsterdam’s IJ-haven on Wednesday 19 to Sunday 23 August 2015. Over 2 million people and hundreds of boats & ships of all sizes, shapes and styles attended this year.
