1)https://meet-b.birzeit.edu/playback/presentation/2.3/f8a55cf9a46024665cb372570d518b992177c983-1605513701178?meetingId=f8a55cf9a46024665cb372570d518b992177c983-1605513701178

2)https://meet-b.birzeit.edu/playback/presentation/2.3/d61869a9ae8606cacaed0ffb085221fd5994cb4b-1605686707072?meetingId=d61869a9ae8606cacaed0ffb085221fd5994cb4b-1605686707072