EU foreign policy chief Josep Borrell, Ukraine's Prime Minister Denys Shmygal, European Council President Charles Michel, Ukrainian President Volodymyr Zelenskiy and European Commission President Ursula von der Leyen attend a signing ceremony at the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

EU foreign policy chief Josep Borrell, Ukraine's Prime Minister Denys Shmygal, European Council President Charles Michel, Ukrainian President Volodymyr Zelenskiy attend a signing ceremony at the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel arrives to address the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel arrives to address the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel leaves after addressing the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

The silhouette of German Chancellor Angela Merkel is seen as she addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

German Chancellor Angela Merkel addresses the media during a statement following an online G20 summit on the current situation in Afghanistan, in Berlin, Germany, October 12,2021. REUTERS/Michele Tantussi

European Council President Charles Michel attends a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Council President Charles Michel and Ukrainian President Volodymyr Zelenskiy attend a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

Ukrainian President Volodymyr Zelenskiy attends a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

EU foreign policy chief Josep Borrell, Ukraine's Prime Minister Denys Shmygal, European Council President Charles Michel, Ukrainian President Volodymyr Zelenskiy attend a signing ceremony at the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

EU foreign policy chief Josep Borrell, Ukraine's Prime Minister Denys Shmygal, European Council President Charles Michel, Ukrainian President Volodymyr Zelenskiy and European Commission President Ursula von der Leyen attend a signing ceremony at the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

Ukrainian President Volodymyr Zelenskiy attends a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Commission President Ursula von der Leyen gestures during a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Council President Charles Michel, Ukrainian President Volodymyr Zelenskiy and European Commission President Ursula von der Leyen attend a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Council President Charles Michel and Ukrainian President Volodymyr Zelenskiy attend a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Commission President Ursula von der Leyen and Ukrainian President Volodymyr Zelenskiy attend a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Commission President Ursula von der Leyen, European Council President Charles Michel and Ukrainian President Volodymyr Zelenskiy attend a news briefing following the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

European Commission President Ursula von der Leyen, European Council President Charles Michel and Ukrainian President Volodymyr Zelenskiy arrive for a signing ceremony at the Ukraine-EU summit in Kyiv, Ukraine October 12, 2021. REUTERS/Valentyn Ogirenko

People hold a banner as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People hold placards as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People hold placards as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People hold placards as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People hold placards as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People ride their bikes as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People from Brazil and Ecuador take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

A person takes part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

Climate activist Anuna De Wever takes part among others in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

A woman looks on as she takes part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People hold placards as they take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

Climate activist Anuna De Wever takes part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

Climate activist Anuna De Wever takes part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

Climate activists Adelaide Charlier and Anuna De Wever take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

People take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

A man looks on as he arrives to take part in a Climate March ahead of the COP26 climate summit, in Brussels, Belgium October 10, 2021. REUTERS/Yves Herman

Wildlife expert and environmental campaigner Chris Packham takes part in a march and delivery of a petition to Buckingham Palace, demanding that the British royal family re-wild their land, ahead of the COP26 climate summit due to take place in November, London, Britain, October 9, 2021. REUTERS/Toby Melville

Environmental campaigners part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

An environmental campaigner takes part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

An environmental campaigner takes part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Environmental campaigners part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

An environmental campaigner takes part in a march and delivery of a petition to Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Environmental campaigners part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Environmental campaigners hold a stork puppet as they take part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Environmental campaigners hold a stork puppet as they take part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Simeon Macauley, 14, holds a petition letter to be delivered to the Buckingham Palace, during a march by environmental campaigners demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Simeon Macauley, 14, holds a petition letter to be delivered to the Buckingham Palace, during a march by environmental campaigners demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

Environmental campaigners dressed as bees take part in a march and delivery of a petition to the Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville

An environmental campaigner takes part in a march and delivery of a petition to Buckingham Palace, demanding that the British royal family rewild their land, ahead of the COP26 climate summit due to take place in November, in London, Britain, October 9, 2021. REUTERS/Toby Melville TPX IMAGES OF THE DAY