He aha te patai ki: "Ko te ahua o te whakaahua ataata ka puta he mates (nga pae pango) i runga ake, i raro hoki; ko enei mates tetahi waahanga o te ahua (arā, o ia anga o te tohu ataata) "? Ko te kaupapa ko te Letterboxing (whakaahua).
"He aha te kiriata pouaka reta?"