It was, as everyone knew it would be, all about US President Donald Trump.
He literally towered over everyone else at the ceremony in Kuala Lumpur where Cambodia and Thailand signed their agreement. He gave the longest speech - and made the biggest claims.
It was all superlatives.
"This is a momentous day for South East Asia," Trump said. "A monumental step."
Describing the two slightly sheepish-looking prime ministers who were about to sign the deal as "historic figures", Trump recalled at length how he got involved in the Thai-Cambodian border conflict while he was visiting his Turnberry golf course in Scotland in July.
