The legs-too-far-apart poition has become somewhat traditional among Conservative party politicians in the UK, starting with George Osborne, then Head of Treasury Chancellor, at the 2015 Conservative party conference in Manchester.
The British Prime Minister Theresa May was also photographed striking the unusual pose three years ago.
Former UK Prime Minister David Cameron has also adopted the pose during a TV appearance.
According to Harvard Business School professor Amy Cuddy, "open, expansive postures" make people instantly appear more powerful and project strength.
Javid was announced to become the new Home Secretary on April 30, following the resignation of Amber Rudd over an immigration scandal. Javid has pledged to create a "fair and humane immigration" system, in contrast to the previous one that saw elderly legal immigrants deported from the UK.
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