Posters, work diaries and publicity materials have been collected to promote the spirit of the volunteers at the Games.

馆内收集了海报、工作日记和宣传材料，以宣传奥运志愿者的精神。

Posters, work diaries and publicity materials were collected to promote the spirit of Beijing 2022 volunteers, and the Olympic pin market will remain open for fans, Yang said.

场馆团队特别收集整理了志愿者赛时服务的招贴、工作资料、宣传视频等，继续致敬志愿服务精神；场馆还将开辟奥运徽章集市，让公众感受徽章分享的乐趣。