As almost half a million Egyptians gathered in the capital's Tahrir Square yesterday to demand President Mohamed Morsi to step down on the one-year anniversary of his election, military helicopters monitoring the situation from above were painted in green laser beams emitted by protesters on the ground. Despite the spectacular appearance, the civil disobedient light show reportedly raised safety concerns from the authorities, as laser pointers can temporarily blind pilots. Hat tip goes to Mashable!