Why is the Bab al-Mandab Strait so important?

Why is the Bab al-Mandab Strait so important? Video, 00:01:17Why is the Bab al-Mandab Strait so important? Up Next. Watch: Ukraine's race to counter new jet-powered Russian drones. Video, 00:02:01Watch: Ukraine's race to counter new jet-powered Russian drones Watch: Timelapse shows typhoon barrelling towards Japan. Video, 00:00:48Watch: Timelapse shows typhoon barrelling towards Japan Inside Djibouti refugee camp for thousands fleeing Houthi advance in Yemen. Video, 00:00:45Inside Djibouti refugee camp for thousands fleeing Houthi advance in Yemen 'No surprises' as results emerge in Russian parliamentary election. Video, 00:01:22'No surprises' as results emerge in Russian parliamentary election 'Other generations just buried it' - Youths share their mental health concerns. Video, 00:02:03'Other generations just buried it' - Youths share their mental health concerns Watch: Dramatic moment a cargo ship crashes into another vessel. Video, 00:00:53Watch: Dramatic moment a cargo ship crashes into another vessel Earl Spencer says he felt Charles had 'giddy tone' during call after Diana's death. Video, 00:01:54Earl Spencer says he felt Charles had 'giddy tone' during call after Diana's death Watch: Fans react as Ed Sheeran speaks out over Macklemore controversy at show. Video, 00:01:13Watch: Fans react as Ed Sheeran speaks out over Macklemore controversy at show Watch: BBC tracks down abusive teacher secretly released early. Video, 00:01:32Watch: BBC tracks down abusive teacher secretly released early Earl Spencer's claims about King's reaction to Diana's death open old wounds. Video, 00:01:04Earl Spencer's claims about King's reaction to Diana's death open old wounds 'Enough is enough': Women protest after string of murders near Johannesburg. Video, 00:01:28'Enough is enough': Women protest after string of murders near Johannesburg