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.
The world trade center was the tallest building in the word from 1972 until 1973. When it was built it was taller than the Empire State building which was the previous record holder. It was surpassed by the Sear Tower in 1973. Currently the largest structure in the world is the Burj Dubai in the UAE.