World Travel Market London (WTM) says this year’s event will be the largest to date, with an expected 7% growth and expansion into new halls at ExCeL London.  Taking place from 5-7 November, WTM expects to showcase around 4,000 exhibitors including tourism boards, hoteliers, transport brands, and technology services, with over 80 new exhibitors lined up at the global gathering. There has b...