Take a look at a royal nose bump. Prince William and Duchess Kate ... things they did on arrival was perform the traditional Maori greeting gesture, the hongi. It's the equivalent of a handshake ...

Fist bumps were the cleanest greetings, David Whitworth of Britain ... because people use their hands to touch their eyes, nose and mouth. The mucous membranes are where the germs can get ...

Take a look at a royal nose bump. Prince William and Duchess Kate ... things they did on arrival was perform the traditional Maori greeting gesture, the hongi. It's the equivalent of a handshake ...