The three busiest carriers in the former Yugoslavia - Air Serbia, Croatia Airlines and Adria Airways - are all participating at the World Travel Market, the leading global travel trade show taking place in London this week. Air Serbia is exhibiting alongside the Tourism Organisation of Serbia (stand EU650), Croatia Airlines together with the Croatian National Tourist Board (stand EU1450), and Adria jointly with the Slovenian Tourist Board (stand EU700). The World Travel Market opened on Monday at the ExCel centre in London and is expected to attract more than 50.000 travel trade professionals, government ministers and international press. The trade show is now in its 37th year and includes up to 5.000 exhibitors from 182 countries and regions to promote tourism and showcase emerging trends in the industry. The Travel Market provides EX-YU airlines the opportunity to present their products and services and increase their invisibility.