It's been a tough winter for the young revolutionaries of Tahrir Square. Scaf, the council of generals ruling Egypt, cracked down hard on protests in November and December, and the country's first democratic elections were won handily by the Muslim Brotherhood and the fundamentalist al-Nour party with secular democrats finishing a disappointing third. Caught between a conservative parliament and an oppressive executive, the protesters have maintained a stony resolve.

Last week tens of thousands of Egyptians took to the streets to mark the year anniversary of the 25 January revolution. The massive marches were one measure celebration, two measures protest. Here's a moving video account of one of the marches – an encouraging sign that, despite violence and setbacks, the revolution continues: