The G20 summit is underway in Hamburg.
Host German Chancellor Angela Merkel is welcoming Prime Minister Prime Minister Justin Trudeau along with U.S. President Donald Trump and leaders from other nations around the world to the two-day summit.
Merkel says she hopes to find "compromises and answers" on a range of issues at the two-day meeting.
Issues expected to be discusses are length include terrorism, global trade, and climate change.
There have also been protests and clashes with German police.
Officers used water cannons, as well as pepper spray and batons on Thursday evening amid clashes with violent protesters.