The bottle caps for perfumes Jubilation 25 for women and Jubilation XXV for men, fragrances introduced to coincide with Amouage's 25th anniversary, resemble the dome of the Sultan Qaboos Grand Mosque in Muscat and a ceremonial dagger.

CNN: STORY HIGHLIGHTS

Continue on to the Corniche to stroll with locals as the sun sets, and wander over to watch the last rays catch the imposing Sheikh Zayed bin Sultan Al Nahyan Mosque, probably Abu Dhabi's most important landmark, known as the "Grand Mosque" to locals, and whose lavish buildings materials hark from as far afield as Greece, Italy, Morocco and Germany.

BBC: Stopover in Abu Dhabi

Dan Fodio's son, Muhammed Bello, established the empire's capital in Sokoto and it has remained the centre of Nigerian Islam ever since, with its huge mosque opposite the sultan's palace.

BBC: The Sultan of Sokoto Mohammadu Maccido