Environmentalists are concerned that ships navigating reef passageways – many of which are narrower than the English Channel – will run aground, as a Chinese vessel did in 2010, tearing a two-mile gash into the coral and spilling several tonnes of oil.
In the city centre, the "Hole in the Road" (or Castle Square, as it was officially known), with its subterranean passageways, escalators and tropical aquarium, embodied a city looking towards a rosy future.
Outside, police blocked off the main entrance; piss-perfumed passageways taking you round the ground.
We started with a brass door, and Mustafa declaring, "This is a brass door", but we soon scaled up to include the hidden passageways of the souk, the shadowy old metal-working quarter, the ancient leather market (much more interesting than it sounds) and, finally, the city's 16th-century madrassa, with its walls covered in delicate carvings from the Qur'an.
Walking through these dark, evocative passageways at night is almost a kind of time travel, and they still feel haunted.
Then there are the permits and other bureaucratic obstacles that utilities must obtain in order to add water pipes to municipal infrastructure such as underground passageways that run sewer pipes, electric and telecommunications lines.
The police radio headquarters; everything is in order.We move into the passageways leading to the West End shopping mall.
Instead of beaming sound into the body and looking at what is reflected back, it is able to turn the sound of air movement through the passageways of the lungs into a moving picture of what is going on inside those organs.The input is provided by more than 40 microphones arrayed on a mat that is hung over the patient's back.
More often they went by secret passageways from buildings on the outskirts of the ghetto.
The passageways underneath, however, are another world.
Conditions that favour the deposition are: (1) a source rock above the cavern; (2) downward percolation of water supplied from rain; (3) tight but continuous passageways for this water, which determine a very slow drip; and (4) adequate air space in the void to allow either evaporation or the escape of carbon dioxide from the water, which thus loses some of its solvent ability.
