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A night of anticipation in Cairo

Khaled Desouki / AFP - Getty Images

People spend the night of Jan. 31 in Cairo's Tahrir Square, following a seventh day of protests calling for the removal of President Hosni Mubarak's regime.

Felipe Trueba / EPA

A protester in Tahrir Square, Cairo, Egypt, late on Jan. 31.

Felipe Trueba / EPA

Protesters gathered around a television set after a day of protests in Tahrir Square, Cairo, Egypt, late on Jan. 31.

As I write, the crowd of anti-government protesters in Cairo's Tahrir Square is steadily building.

I thought it was worth sharing a few images that just appeared on the wires of people camped out around the square last night in anticipation of today's demonstration, which has been billed as the biggest so far. 

They seem to capture something of the spirit of togetherness and determination described by people taking part in the protests.