Over 1600 sustainability leaders and practitioners from across the globe convened in Amsterdam, the Netherlands for three days to discuss the key challenges and opportunities on the path to a more sustainable future.
Read MoreComic days in Haarlem
Every year fans of comicbooks come to Haarlem to visit lots of small vendors that have all kinds of comic books for sale. Some very rare
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Liberation day
Liberation day, the biggest festival celebrating the liberation of Holland in 1945.
Read MoreMemorial day
