ZAGREB (Croatia), April 4 (SeeNews) – Croatia's tourism and travel industry contributed 39.78 billion kuna ($6.6 billion/5.4 billion euro) directly to the country's economy in 2017, equivalent to 10.9% of its gross domestic product (GDP), the World Travel&Tourism Council (WTTC) said. The direct GDP … social experiment by Livio Acerbo #greengroundit #travel #tours