The G7 summit in the resort of Carbis Bay in Cornwall, in the south-west of England, has seen the leaders of Canada, France, Germany, Italy, Japan, the US and UK gather in person for the first time since the pandemic.
Here are pictures from the event.
image copyrightEPAimage captionWorld leaders gather on the beach in Carbis Bay for a photo on Friday, the first day of the summit. Pictured (left to right): Justin Trudeau, Canada's prime minister; Charles Michel, president of the European Council; US President Joe Biden, Yoshihide Suga, Japan's prime minister; Boris Johnson, Britain's prime minister; Mario Draghi, Italy's prime minister; Emmanuel Macron, France's president; Ursula von der Leyen, president of the European Commission and Angela Merkel, Germany's chancellor.
image copyrightReutersimage captionThe leaders began their talks on Friday. Most of the discussions over the three days will take place behind closed doors.
image copyrightEPAimage captionPrime Minister Boris Johnson greeted France's President Emmanuel Macron with an elbow bump as their spouses, Carrie Johnson (right) and Brigitte Macron (left), looked on. Global coronavirus vaccinations and climate change are due to be the focus of the summit between the leaders of the seven nations.
image copyrightGetty Imagesimage captionAhead of the summit, British Prime Minister Boris Johnson and wife Carrie met US President Joe Biden and First Lady Jill Biden. After the meeting, Mr Johnson told the BBC the alliance between the US and the UK should be known as the "indestructible relationship".
image copyrightGetty Imagesimage captionFor some, life has continued more or less as normal in St Ives, Cornwall, this week. Tourists bought fish and chips, and locals took their paddle boards out for a spin. But there is one key difference, as this picture hints at: the neighbouring village of Carbis Bay is hosting some of the world's most powerful leaders.
image copyrightPA Mediaimage captionExtra security saw police officers on a rigid inflatable boat in St Ives.
image copyrightPA Mediaimage captionAlso in St Ives, a local bakery got into the spirit of the event with commemorative G7 pasties.
image copyrightAaron Chown / PA Mediaimage captionThe Duchess of Cambridge was also in town, here with First Lady Jill Biden, looking at the work of children at Connor Downs Academy in Hayle, West Cornwall.
image copyrightGetty Imagesimage captionMr Biden and his wife First Lady Jill Biden at Cornwall Airport, Newquay, on Wednesday.
image copyrightGetty Imagesimage captionThe couple, who are on the first foreign trip of Mr Biden's presidency, were accompanied by Boris and Carrie Johnson, on a visit to the beach on Thursday.
image copyrightGetty Imagesimage captionMrs Biden and Mrs Johnson took their shoes off on the sand at Carbis Bay, as Wilfred Johnson - Mr and Mrs Johnson's son - looked on.
image copyrightGetty Imagesimage captionThey were soon to be joined by other leaders including French President Emmanuel Macron and Canadian Prime Minister Justin Trudeau - depicted here on the sand in Newquay by activists from the group Avaaz, calling for the distribution of the Covid-19 vaccine around the world.
image copyrightGetty Imagesimage captionCanadian Prime Minister Justin Trudeau wore a face covering when he arrived on Thursday.
image copyrightGetty Imagesimage captionAs did Japanese Prime Minister Yoshihide Suga, who arrived on Friday.
image copyrightPA Mediaimage captionFrench President Emmanuel Macron and his wife Brigitte Macron also arrived on Friday.
image copyrightGetty Imagesimage captionThe G7 leaders aren't the only prominent figures in attendance. President of the European Council Charles Michel wore a face covering adorned with the ring of stars on the EU flag when he arrived.
image copyrightPA Mediaimage captionAs did European Commission President Ursula von der Leyen.
image copyrightGetty Imagesimage captionPolice lined the street outside a pub decorated with the flags of the G7 countries, as delegates left the Tregenna Castle in Carbis Bay.
image copyrightGetty Imagesimage captionMr Biden gave a speech on Thursday, accompanied by Pfizer chief executive Albert Bourla.
image copyrightGetty Imagesimage captionAnd he had a separate meeting with Mr Johnson ahead of talks with their other counterparts.
image copyrightGetty Imagesimage captionMeanwhile, further G7 activity was taking place at St James's Palace in London. Designer Stella McCartney was among those who attended an event hosted by the Prince of Wales, where he encouraged firms to back a more sustainable future.
All pictures are subject to copyright.