Cologne, Germany, 2014-1-15 — /travelprnews.com/ — Last year, the Lufthansa Group set a new record for sales in passenger traffic. Traffic in the passenger business (measured in revenue passenger-kilometres) came to more than 209 billion in 2013. This represents an increase of 2.3 per cent compared with the previous year. The Group also beat its previous record… Read the full press release