Speaker on the podium. People at conference hall rear view. Speaker at Business Conference and Presentation. Audience at the conference hall. Abstract blurred photo of conference hall._站酷海洛_正版图片_视频_字体_音乐素材交易平台

Speaker on the podium. People at conference hall rear view. Speaker at Business Conference and Presentation. Audience at the conference hall. Abstract blurred photo of conference hall.