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A day after Iran agreed to limit its nuclear program in exchange for lighter economic sanctions, the difference in the moods on the streets of Tehran and Jerusalem couldn't be starker.
"I'm very happy about this agreement," one man told CNN in Tehran. "We hope all the world knows we use this nuclear (power) just for peace, not for war."
With the exception of extreme hard-liners, many Iranians are extremely happy with the deal, especially after many rounds of negotiations that yielded no results.
Iranian newspapers lauded the agreement, with one proclaiming on the front page: "This is Iran, and everyone is happy."
But just across the region in Jerusalem, many residents echoed the sentiments of Israeli Prime Minister Benjamin Netanyahu, who slammed the deal as "a historic mistake."
But how was such a pivotal deal made?
Iran political analyst Ali Alizadeh breaks down the team that Iran sent to Geneva to hammer out the landmark nuclear deal with the P5+1.
After three days of talks focused on halting Iran's uranium enrichment efforts broke down Sunday morning, Sen. Lindsey Graham said Congress would not wait for the next round of negotiations.
Graham said he intends to put forward a measure that would mandate more sanctions on Iran, aimed at forcing the Middle Eastern nation to dismantle its nuclear weapons program - a move that runs counter to the interim steps sought by the negotiating parties gathered in Geneva, Switzerland.
How did we get to this stage in Iranian nuclear talks? CNN's Becky Anderson explains.