Overview: Designed by Cesar Pelli, the Petronas Towers were the tallest buildings in the world on the date of its completion. Located in Kuala Lumpur, the design of the 88 storey, 450m tall twin towers, carries an Islamic geometrical influence. The towers are a symbol of Malaysia’s pride. To instill competition, the contract for the construction of the towers were awarded to two different construction companies, each company was assigned to work on one of the towers. This episode takes a look at how the construction companies competed to complete their tower before the other. Problems faced, from the soil samples, the unique cement mixture used as a steel substitute, to the tropical weather, are covered.