https://youtu.be/LY_Yiu2U2Ts vox (yeah I watch vox I know) has a good video where you see how it looks and how they cross. It's of course the only way to walk into the EU from Africa so that's why it's a popular destination. Mayotte (french territory east of mainland Africa) has a similar thing with Comoros which is in the same archipelago
https://youtu.be/LY_Yiu2U2Ts vox (yeah I watch vox I know) has a good video where you see how it looks and how they cross. It's of course the only way to walk into the EU from Africa so that's why it's a popular destination. Mayotte (french territory east of mainland Africa) has a similar thing with Comoros which is in the same archipelago