![Students, Great hall & Control Block, University of the Witwatersrand, Johannesburg, South Africa, Foto de Stock, Imagen Derechos Protegidos Pic. AAI-1-PDSN-0187 | agefotostock Students, Great hall & Control Block, University of the Witwatersrand, Johannesburg, South Africa, Foto de Stock, Imagen Derechos Protegidos Pic. AAI-1-PDSN-0187 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/e9ca647f14733c7693f1d3f41a9838b3/aai-1-pdsn-0187.jpg)
Students, Great hall & Control Block, University of the Witwatersrand, Johannesburg, South Africa, Foto de Stock, Imagen Derechos Protegidos Pic. AAI-1-PDSN-0187 | agefotostock
![Video shows Chinese students block Taiwan flag at UK university presentation | Taiwan News | 2022-10-25 10:39:00 Video shows Chinese students block Taiwan flag at UK university presentation | Taiwan News | 2022-10-25 10:39:00](https://tnimage.s3.hicloud.net.tw/photos/2022/10/25/1666665492-63574c14b48e7.jpg)
Video shows Chinese students block Taiwan flag at UK university presentation | Taiwan News | 2022-10-25 10:39:00
![Police officers block protesting students and professors on campus... Fotografía de noticias - Getty Images Police officers block protesting students and professors on campus... Fotografía de noticias - Getty Images](https://media.gettyimages.com/id/1246518780/es/foto/police-officers-block-protesting-students-and-professors-on-campus-while-isabel-diaz-ayuso-is.jpg?s=1024x1024&w=gi&k=20&c=ZehZTQjkfrPQ8niaFHLg_OmowzQOaHdW5yjfa6BT-VQ=)
Police officers block protesting students and professors on campus... Fotografía de noticias - Getty Images
![Students block Plaza Las Americas highway as part of a one-day strike protesting against government layoffs, in San Juan October 15, 2009. More than 17,000 public sector employees have been dismissed since Students block Plaza Las Americas highway as part of a one-day strike protesting against government layoffs, in San Juan October 15, 2009. More than 17,000 public sector employees have been dismissed since](https://c8.alamy.com/compes/2e7de15/students-block-plaza-las-americas-highway-as-part-of-a-one-day-strike-protesting-against-government-layoffs-in-san-juan-october-15-2009-more-than-17000-public-sector-employees-have-been-dismissed-since-march-2008-reuters-ana-martinez-puerto-rico-conflict-politics-employment-business-2e7de15.jpg)
Students block Plaza Las Americas highway as part of a one-day strike protesting against government layoffs, in San Juan October 15, 2009. More than 17,000 public sector employees have been dismissed since
![How Lynn University Uses Block Scheduling to Provide Flexibility for Students - Academic Impressions How Lynn University Uses Block Scheduling to Provide Flexibility for Students - Academic Impressions](https://www.academicimpressions.com/wp-content/uploads/2022/02/student-online-learning.jpg)
How Lynn University Uses Block Scheduling to Provide Flexibility for Students - Academic Impressions
![Students block doors at University of Manitoba building in solidarity with striking professors | CBC News Students block doors at University of Manitoba building in solidarity with striking professors | CBC News](https://i.cbc.ca/1.6249593.1637002489!/cumulusImage/httpImage/u-of-m-students-blocking-admin-building.jpg)