A number of airlines unveiled new liveries this week . The airline industry is facing a tough economic climate and the trend towards lower fuel prices has been hard on profits at some airlines. Many airlines in Pacific region riff off local culture and artwork for updated designs . Changing an airline 's look is huge marketing opportunity .
A number of airlines unveiled new liveries this week . U.S. carrier Southwest plane will now display a colorful heart on their underside . Many airlines in Pacific region riff off local culture and artwork for updated designs . Changing an airline 's look is huge marketing opportunity .