21.   Students build cobblestone barricades.

22.   Supporters streamed in, sticking flowers in tank guns and building barricades.

23.   Tens of thousands of people heeded him, streaming to the site, building barricades and tent encampments intended as human shields.

24.   Some took chairs and tables from cafes to build barricades, setting them afire and smashing shop windows.

25.   Students occupied the Sorbonne, built barricades and smeared the Latin Quarter with graffiti that still reappears sometimes.

26.   The army has been digging trenches across some streets and building earthen barricades on others.

27.   The combatants built barricades of burning tires and lumber.

28.   The protestors built barricades out of burning tires and trash cans.

29.   The TV news showed scenes of waves pounding coastal walls, flooded streets and civil defense workers building barricades of sandbags.

30.   They started building barricades around the parliament.