Possible Clues:

• Munching hay, animal in high-up region
• Greeting KL native of great height
• Greeting Asian from area of highest population
• The Queen has introduced one over a year in a network of vast range
• Half of hits by guy, including a song from a vast range
• Like some mountains in what could be mainly a hot area
• Like the Yeti greeting someone from further east?
• Greeting Asian national at the highest level
• Greeting Asian from Peak District?
• Mountain-dweller’s greeting to native of Kuala Lumpur?