On the south it was bordered by a portico with a single row of columns in front; on the east by a double portico, more than a stadium in length (220 yds.), and serving as a racecourse for practice in bad weather.
An important place of entertainment is Olympia, near Hammersmith Road and the Addison Road station on the West London railway, which includes a vast arena under a glass roof; while at Shepherd's Bush are the extensive grounds and buildings first occupied by the Franco-British Exhibition of 1908, including a huge stadium for athletic displays.
The starting-point and the goal in the Stadium were marked by limestone thresholds.
"Furlong" was as early as the 9th century used to translate the Latin stadium, s th of the Roman mile.
If 500,000,000 is still an inconceivably large number: Imagine a football stadium packed with spectators.