Etihad Airways has launched a '48 Hour Challenge' to transit travellers and UAE residents to experience a host of ‘once in a lifetime’ activities throughout the emirate in just two days. Passengers flying from Edinburgh, London Gatwick, London Heathrow and Manchester can choose to explore Abu Dhabi's many highlights through a series of exciting stopover programmes before connecting on to over 100 global destinations across the Gulf region, Asia, Australia and Africa with Etihad Airways and their partner airlines.