Adventure playground of them in England, Denmark, France, Germany, The Netherlands and Switzerland. Japan also has a significant number of adventure playgrounds. Denmark has several adventure playgrounds, now known as "Byggelegeplads" (Building-playground) and formerly as "Skrammellegeplads" (Junk-playground). From the first site in Emdrup, the idea spread across the country and at the height of the popularity in the 1960s, there were about 100 adventure playgrounds in the country. Present active adventure playgrounds in Denmark includes: Adventure playground An adventure playground is a specific type of playground for children. Adventure playgrounds can take many forms, ranging from "natural playgrounds" to "junk playgrounds", and
Transport in Europe pass for 18 European countries; it is only available for persons who do not live in Europe, Morocco, Algeria and Tunisia. Inter Rail passes allow multi-journey travel around Europe for people living in Europe and surrounding countries. Many cities across Europe have a rapid transit system, commonly referred to as a metro, which is an electric railway. The world's first underground railway, the Metropolitan Railway, was opened in London in 1863. It is now part of London's rapid transit system referred to as the London Underground, which is part of the city's public transportation system managed by TfL. Other European