The group had a novel solution to a pedestrian ban.
Both Trump and the Kremlin say a sit-down in Vietnam is being planned for next week, after the first meeting in the summer stoked controversy.
Inside, leaders talked terrorism and China's South China Sea ambitions
The U.S. and the European Union engaged in "trench warfare" to override Tony Abbott and get climate change on the G20 agenda
The world's biggest emitters of greenhouse gases have agreed to reduce emissions. It's politically powerful, but environmentally unsound