Number '8' stands for the length of their relationship, consisting of number '6' and a flight route as indications of six-year long distance across Taiwan and Vietnam. Also, number '8' could rotate 90 degrees to be infinity symbolising their immortal love.
This idea was inspired by 'the bridge of magpies' symbolising the union of couples, which originates from a Chinese legend where a loving couple is isolated from each other and only allowed to meet once a year on this bridge.
Marriage in oriental tradition is also perceived to be the union of two families. The circles signify happy families while the dots represent the family members.
