Gantt Chart PowerPoint Templates
https://elements.envato.com/gantt-chart-powerpoint-templates-RLFPRFV
Free 
Roadmap Templates for PowerPoint
文件下载,https://downloads.cgguy.com/d/vianetsp/Preview/11ppt/2022/05/16/44697.7634375/cgguy.com_353DMKM.zip
Free 
Euro 2020 – Schedule Championship
https://elements.envato.com/euro-2020-schedule-championship-YJHC2NL
Free