It has been 1,373 days since Russia launched its full-scale invasion of Ukraine.
And this week, the story took a dramatic turn.
A leaked 28-point US peace plan has sparked intense debate and urgent diplomacy.
People are starting to realize it's a good deal for both parties if they get to stop the war.
They're losing a lot of people, a lot of soldiers, mostly soldiers.
Putin wants legal recognition.
for what he has stolen to break the principle of territorial integrity and sovereignty.
Every time there's serious progress towards negotiations that can bring about a real peace,
the violence escalates.
We've seen this before.
Since that leak, crunch talks in Geneva have revisited every detail of the proposal.
Now a senior US official says Ukraine has accepted the deal.
Kiev is choosing its words a bit more carefully, saying there is a common understanding,
but Russia, as ever, is keeping its cards closer.
We have channels of communication with our US counterparts and we're using them.
We expect to receive what they consider to be the interim version of the plan after they've coordinated with the Europeans and the Ukrainians.
Then we'll review it.
Because if the spirit and letter of anchorage, the key understandings we reached, are stripped out,
then it will be a fundamentally different situation."
Today I'm joined by an incredible team of BBC journalists from across the globe.