Shell Downstream. Shell Downstream is one of the worldâs largest businesses in the production and. distribution of petroleum and chemical products. In 2003, Shell embarked upon a radical change to its business model from a country centric approach to a global product line. basis.hell Downstream. Shell Downstream is one of the worldâs largest businesses in the production and. distribution of petroleum and chemical products. In 2003, Shell embarked upon a radical change to its business model from a country centric approach to a global product line. basis.
The Carlton Centre is a 732 ft or 223 meter tall building in Johannesburg, South Africa. It has been the reigning champion of tallest buildings in Africa for 39 years to this point.
Burj Khalifa: Dubai, United Arab Emirates. The Burj Khalifa, previously known as the Burj Dubai, is the tallest building in the world. It measures 2,723 feet high and has 163 floors. It took five years to build, and was completed in 2009 in Dubaiâs main business district.