The tower's window entrance 5 metres above ground level can now be accessed by a rope that hangs down from the window.

The tower's smooth aluminum and glass surface and crisp unadorned geometric form demonstrate Pei's adherence to the mainstream of 20th-century modern design.

The tower's topmost panoramic dome, known as the " lens ", recalls the iconic glass dome which covered part of the ground floor of the Baltic Exchange.

On September 13, 2008, many of the tower's windows were blown out as Hurricane Ike moved through the area leaving desks exposed, metal blinds hanging in a twisted heap and smoky black glass covering the streets below.

A glass floor extension was constructed on the north side of the tower's observation deck and opened on June 24, 2005.

In late 2009, it was announced that Brookfield Properties, the owners of First Canadian Place would follow the example of Aon Center and replace, over the course of three years, the tower's 45, 000 marble panels with new ones in glass ( not granite like Aon Center ), those on the main expanses with a white ceramic frit and the corners in a bronze tint.

The ellipse motif taken from the tower's footprint appears also in the light fixtures, ceiling panels, entrance canopy, wastebins and furniture.

These are particularly pronounced due to the tower's age and its exposure to wind and rain.

The origins of the name of Comté tower's are unclear ; one theory is that the name refers to the County of Paris.

Sculptures embodying seasons and cardinal points are set above the tower's three tiers.

In the base of the tower there are reception rooms where videos explaining the tower's ideological importance are sometimes shown.

As a final modernist touch, the short sides of the parallelogram are marked with a deep vertical notch, breaking up the tower's mass and emphasizing its verticality.

As with other downtown buildings, the tower's setbacks and spires are accented by colored lights at night.

The downward force from the weight of the tower is transmitted solely by the stream of projectiles to the bending magnet at the tower's base, and so no materials with extraordinary compressive strength are needed to support the tower itself.

There are 217 steps from the ground to the top, with 199 steps in the tower's cast iron spiral staircase.

Since the Shard's construction was financed by Sharia-compliant investment, which forbids earning money through interest payments, the tower's tenants are subject to certain conditions.

According to one of the tower's developers, the Shard and its neighbouring building, the Place, may together be worth up to £ 2. 5 billion when they are fully leased.

Only the late Gothic cornice below the roof and the stair tower are visible artifacts of the tower's earlier history.

Three of the pods, positioned directly beneath the decks at the top of the tower, are used for equipment related to the tower's primary function and are inaccessible to the public.

Near the apex, just below the steeply pitched roof, are the tower's 4. 8 m ( 16 ft ) diameter clock faces, one on each of the four facades.

The tower's owners are expected to build a replacement tower of similar size.

The tower's walls are between 3. 3 metres and 6. 7 metres thick at the base and 2. 7 metres thick at the top.

The functions traditionally done in the church basement are now performed in a space reserved for the church on the third floor of the tower's east side.

His signature Mesiniaga Tower ( for the IBM franchise ) is regarded as his most didactic bioclimatic and prototype climate-responsive tower, where all his earlier experimental ideas from the previous tower projects are bought together here in one single built form, such as the positioning of the elevator core as a solar buffer at the tower's hot side, the critical placement of toilets and stairwells to have natural ventilation opportunities ( low energy ), solar-path guided sun-shade design ( climate-responsive facade design ), the use of evaporative-cooling at the uppermost roof level which has an overhead louvered canopy that provides a framework for future PV cells, vegetated and stepped facade-recessed sky-terraces as interstitial semi-enclosed spaces for office users.

To ensure that the tower is a continuous conductor, the tower's structural sections are electrically bonded at the joints by short copper jumpers which are soldered to each side.

The individual floors are acessible by means of an internal stairway, as well as a spiral wooden stair on the tower's exterior.

Looking north-east over Melbourne CBD from Skydeck 88, with reflections in the tower's gold plated windows

The more reflux that is provided for a given number of theoretical plates, the better the tower's separation of lower boiling materials from higher boiling materials.

However, a French court ruled, in June 1990, that a special lighting display on the tower in 1989, for the tower's 100th anniversary, was an " original visual creation " protected by copyright.

Just as work began at the Champ de Mars, the " Committee of Three Hundred " ( one member for each metre of the tower's height ) was formed, led by Charles Garnier and including some of the most important figures of the French arts establishment, including Adolphe Bouguereau, Guy de Maupassant, Charles Gounod and Jules Massenet: a petition was sent to Charles Alphand, the Minister of Works, and was published by Le Temps.

Ambrosius was rumoured to be such a child, but when brought before the king, he revealed the real reason for the tower's collapse: below the foundation was a lake containing two dragons who destroyed the tower by fighting.

A primary reason for OEM's inability to coordinate communications and information-sharing in the early hours of the WTC response was the loss of its emergency operations center, located on the twenty third floor of 7 World Trade Center which had been evacuated after debris from tower's collapse struck the building, igniting several fires.

As Sears continued to offer optimistic projections for growth, the tower's proposed height soared into the low hundreds of floors and surpassed the height of New York's unfinished World Trade Center to become the world's tallest building.

Since 2007, the building owners have been considering building a hotel on the north side of Jackson, between Wacker and Franklin, at the plaza that is the entrance to the tower's observation deck.

The tower's parking garage is beneath the plaza.

Since the elevator would attain orbital velocity as it rode up the cable, an object released at the tower's top would also have the orbital velocity necessary to remain in geostationary orbit.

The tower's tilt began during construction, caused by an inadequate foundation on ground too soft on one side to properly support the structure's weight.

Two German churches have challenged the tower's status as the world's most lop-sided building: the 15th-century square Leaning Tower of Suurhusen and the 14th century bell tower in the town of Bad Frankenhausen.

On the tower's plaza, the first Kabila regime erected a tall statue of Lumumba with a raised hand, greeting people coming from N ' djili Airport.

The tower's architect and engineer is Skidmore, Owings and Merrill.

The tower's namesake was the priest, mountaineer and patriot Jakob Aljaž, who around 1900 purchased the Kredarica waypoint and the summit for the sum of five Austro-Hungarian florins.

The tower's staircase was assembled inside a studio.

* In 1993, Toronto lawyer Garry Hoy fell to his death after attempting to demonstrate the strength of his office tower's windows.

The tower's simple architecture, large proportions and monolithic appearance have been often criticised for being out of place in Paris's urban landscape and, as a result, two years after its completion, the construction of skyscrapers in the city centre was banned.

This was done on the proposal and the draught of Christopher Galloway from England, who was summoned to design the new tower's clock ( clock watch it there with the 1585 ) and suggested the arrangement of the tent roof over the clock.

During the dedication ceremony, with several dignitaries in attendance, public relations chief Dan Bigelow turns on the tower's exterior lights to impress them and the other 294 guests arriving for a party in the Promenade Room on the 135th floor.

The first shots fired from the tower's outer deck came at approximately 11: 48 a. m.