An

international

design

competition

was

held

in

1956,

to

choose

who

would

design

this

iconic

building.

More

than

200

entries

were

received

from

architects

around

the

world.

Danish

architect

Jørn

Utzon

won

first

prize

and

5000

pounds

for

his

entry.

Construction

of

the

Sydney

Opera

House

began

in

1959.

The

building

is

constructed

on

588

concrete

piers

that

have

been

sunk

up

to

25

metres

below

sea

level.

A

series

of

“shells”

form

the

roof,

giving

the

building

its

distinctive

design.

These

shells

are

covered

in

tiles,

some

of

which

are

glossy

white

and

others

which

are

cream

in

colour.

The

main

foyer

has

huge

glass

panels

and

the

outer

walls

are

covered

in

sections

made

of

pink

granite.