With 70 million people passing through Heathrow each year, the airport has become one of the most productive shopping destinations in the UK. In 2012 Heathrow made $542 million: a growing figure as designer brands target rich overseas passengers.

According to Airport Council International, an airport customer's average spend on food and beverages was just $5.15 in 2012. But where once airports offered beer and junk food, they're now offering more exciting and artisan choices - like Tekoe, a gourmet tea company.

India’s travel and tourism industry is set to grow by over 7% in 2014, with more Indian youths realising their dream to see the world. Once a distant aspiration, holidays are now a tangible reality that urbanites will pay for. But what motivations are driving their travel plans?

How will people navigate cities in 2015? Will people really prefer to get a train than a plane? When will electric cars become the norm? And why are our travel plans becoming more spontaneous? As part of our Expert Outlook 2015 series we speak to three travel experts about the future of getting around