The end of the 19th century, beginning of the 20th century, and how that Hanging Chain model translates into archways and vaulting.

The earliest vaulted temples in Pagan date to the 11th century while the vaulting did not become widespread in India until the late 12th century.

So, examples like Christopher Wren's King's Cross you can see that the structural forces of the vaulting get articulated as lines, so you're really actually seeing the expression of structural force and form.

One week after Russian athletes Kseniya Ryzhova and Tatyana Firova kissed in celebration at the World Athletics Championships in Moscow as well as three time pole vaulting champion Yelena Isinbayeva spoke out in favour of an anti gay law in Russia that she later backtracked, it was Brazil s time to debate homophobia through sport.