His classic boyish looks seemed to proclaim his good humour and openness.

他的长相非常子气，显得情很好且诚实坦率。

He spread his palms in a gesture of openness.

他展开手掌，以示坦诚。

He demonstrated an openness to change.

他显出了的开明态度。

It expresses their rootedness and collective memory, and preserves their future by encouraging development and openness towards others – an element essential for the construction of peace.

这些遗产反映了不同人群和社区的渊源及其集体记忆，并通过鼓励发展和他人的开放使其生生不息。这是建设和平的一个基本元素。