In Yemen's Aden, famed buildings threatened by war Its glass shattered, central Aden's crumbling Clock Tower has stopped telling the time. Yemen, famed for its ancient cities and Ottoman forts, has been ravaged by war, disease and famine. A string of centuries-old landmarks have fallen victim to clashes between the embattled government, based in Aden, and a rebel alliance that controls the capital Sanaa. IMAGES AND SOUNDBITES