 Average earth temperature over the past 1,000 years  Topography of Egypt's Delta region. Red areas indicate regions of the Delta located below sea level parent page (29 November - 5 December 2007, issue #873) |
| Average earth temperature over the past 1,000 years Topography of Egypt's Delta region. Red areas indicate regions of the Delta located below sea level parent page (29 November - 5 December 2007, issue #873) |