Amstelveen, Netherlands, 2019-Oct-21 — /Travel PR News/ — The Amsterdam Dance Event (ADE) is currently underway. The world’s biggest festival for electronic music attracts 400,000 visitors from more than 100 countries to the Dutch capital. KLM and ADE will compensate CO2 for visitors who flew in on KLM flights. An international event attracting nearly half a million visitors… Read the full press release