I heard that there were alligators in the sewers.

Valves control fluid flow and regulate pressure.

For all the activities like shaving, showering, grooming etc.

And our brains our celebrated brains reflect a drainage of a tidal marsh.

In 1662, Sir Christopher Wren invented the mechanical, self emptying, tipping bucket rain gauge.

The drainage systems are not able to handle the water pressure.

The city now relies on flood barriers and augmenting drainage from canals by pumping and building drain tunnels, but parts of Bangkok and its suburbs are still regularly affected by flooding.

Often what jams us up is sewage.

Another common complaint relates to the sewage smell inside their houses.

It's a dendritic drainage pattern that can be formed only by the flow of liquids.

Heavy downpours resulting in urban runoff overwhelming drainage systems, and runoff discharge from upstream areas, are major triggering factors.

The villages used irrigation canals and drainage systems, making agriculture very efficient.

Michael Pritchard Okay. We've got some runoff from a sewage plant farm.

Failure of the nasolacrimal drainage system can cause dry eye or leakage of tears onto the face.

Some of the short narrow channels along the walls of Ma'adim are probably sapping channels.

The sewage is still thrown in the bay with virtually no treatment.

The upper part of the drainage basin of the Moa River is located in the south of this region.

So different cities around the world treat their waste water differently. Some cities process it.

One exposes the problem of sewage spill on São Conrado Beach.

Lakes may form in basins where there is sufficient precipitation or meltwater from glaciers above.

You had water, sewer networks that allowed for this kind of unchecked expansion.

As of November 2010, less than 50 of the city's sewage receives proper treatment.

Well, the reason we're doing this offshore is because if you look at our coastal cities, there isn't a choice, because we're going to use waste water, as I suggested, and if you look at where most of the waste water treatment plants are, they're embedded in the cities.

The brain drain where all of the most educated and qualified leave and never come back.

Over 2.5 billion people in the world today do not have proper access to water and sanitation.

But there are still major problems in local infrastructure, such as paving roads, sewage and water supply.

It is a little bit like having a waste treatment plant right next to an amusement park ...

If it weren t for the problem with the sewers, we would already have built the house.

We wouldn't tolerate our parks being swamped by human sewage, but beaches are closed a lot in our country.

When untreated, sewage can have serious impacts on the quality of an environment and on the health of people.

If you include all the drain, it takes more than a hundred pints of water to make a pint of beer.

New Orleans As the eye of Hurricane Katrina swept to the northeast, it subjected the city to hurricane conditions for hours.

According to the organisation, half the population in Rio de Janeiro is still without mains water and sewerage . This accounts for nearly 3 million citizens who are to drink dirty water or throw sewage directly into the rivers, lakes and beaches of this wonderful city .

In some parts of the world, there are many lakes because of chaotic drainage patterns left over from the last Ice Age.

So, I sent them to Boise, Idaho, where they dropped a plastic bottle into the Boise sewer system.

The Riacho Salgadinho is also the destination for most of the sewage system in Maceió downtown.

At the same time a treatment plant that would treat the waste water before reaching the beach was created, but the Rio Águas , which is responsible for the station, does not do its work and dumps all the sewage in natura through this culvert.

Many of these canals have since been filled in or paved over, but others still criss cross the city, serving as major drainage channels and transport routes.

Hydrocephalus (obstructed flow of CSF) may require insertion of a temporary or long term drainage device, such as a cerebral shunt.

The pyramid, if we jam things in the bottom, can get backed up like a sewer line that's clogged.

In southern China in particular, toxins have been discharged with sewage by mining operations and made their way into rice paddies.

The main construction plans to start draining water from other rivers and reservoirs in the country are only due to be ready in 2016, according to Sabesp s own schedule.

On April 3, 2007, she skidded off the road into a drainage ditch which had filled with flood water from the Sauk River.

Lymphatic drainage Approximately 75 of the lymph from the breast travels to the axillary lymph nodes on the same side of the body, whilst 25 of the lymph travels to the parasternal nodes (beside the sternum bone).

Malaria, the most widespread disease, was successfully fought through advances in health care, the use of DDT, and through the draining of swamplands.