Piled on top of one another to a height of 16 feet, they give the impression that they could be toppled with the slightest push.
The rebels themselves are reported to be divided between those who believe that the regime can be toppled with one more push, as long as they are supported by coalition air power, and those who believe that a temporary stalemate makes more sense.
After Gaddafi's regime was toppled with the help of a Nato bombing campaign, British police were allowed to travel to Libya in 2012 to investigate Fletcher's killing.
In Egypt, where a similar paradigm was toppled with the long-serving dictator Hosni Mubarak, Christians have experienced more sectarian violence, increasing political marginalization and a growing link between Islamic identity and citizenship.
Most of those have since been toppled, with Ukraine's tallest Lenin in the city of Kharkiv falling in September 2014, seven months after the removal of a pro-Russian leadership in Kiev.
Last week British spy chiefs warned that Syria's arsenal of chemical weapons could fall into the hands of al-Qaida militants if Assad was toppled, with potentially "catastrophic" consequences.
It's the destiny of a man that is toppling, with very important consequences for himself, his party, his country".
Fearing he could be toppled by the intensifying protests, Khánh met with Buddhist leaders.
Buildings will be toppled!
It was established under British leadership shortly after the Taliban were toppled in late 2001, with a UN mandate to support the nascent Afghan government.
