La regina Elisabetta allo zoo di Londra, e un felino si lecca i baffi...

Britain’s Queen Elizabeth II stands in front of an Asiatic lioness during a visit to officially open the new Land of the Lions, at London Zoo, Thursday, March 17, 2016. The Queen and Prince Philip visited to unveil Land of the Lions, an Asiatic lion enclosure at ZSL London Zoo. (ANSA/AP Photo/Kirsty Wigglesworth) [CopyrightNotice: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.]

Britain’s Queen Elizabeth II, right, and Prince Philip stand in front of an Asiatic lioness during a visit to officially open the new Land of the Lions, at London Zoo, Thursday, March 17, 2016. (ANSA/AP Photo/Kirsty Wigglesworth) [CopyrightNotice: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.]

Britain’s Queen Elizabeth II, right, and Prince Philip stand in front of an Asiatic lioness during a visit to officially open the new Land of the Lions, at London Zoo, Thursday, March 17, 2016. (ANSA/AP Photo/Kirsty Wigglesworth) [CopyrightNotice: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.]

epa05216120 Queen Elizabeth II,visits the ZSL London Zoo to officially open the Land of the Lions exhibit, in London, Britain, 17 March 2016. The enclosure will form a new breeding centre, and ZSL will work with zoos across the globe to ensure a healthy population continues. EPA/Arthur Edwards/ Sun Pool UK AND IRELAND OUT

epa05216121 Queen Elizabeth II, accompanied by the Duke of Edinburgh, visits ZSL London Zoo to officially open the Land of the Lions exhibit, in London, Britain, 17 March 2016. The enclosure will form a new breeding centre, and ZSL will work with zoos across the globe to ensure a healthy population continues. EPA/Arthur Edwards/ Sun Pool UK AND IRELAND OUT

epa05216122 Queen Elizabeth II,visits the ZSL London Zoo to officially open the Land of the Lions exhibit, in London, Britain, 17 March 2016. The enclosure will form a new breeding centre, and ZSL will work with zoos across the globe to ensure a healthy population continues. EPA/Arthur Edwards/ Sun Pool UK AND IRELAND OUT

epa05216123 Queen Elizabeth II,visits the ZSL London Zoo to officially open the Land of the Lions exhibit, in London, Britain, 17 March 2016. The enclosure will form a new breeding centre, and ZSL will work with zoos across the globe to ensure a healthy population continues. EPA/Arthur Edwards/ Sun Pool UK AND IRELAND OUT

Britain’s Queen Elizabeth II stands in front of an Asiatic lioness during a visit to officially open the new Land of the Lions, at London Zoo, Thursday, March 17, 2016. The Queen and Prince Philip visited to unveil Land of the Lions, an Asiatic lion enclosure at ZSL London Zoo. (ANSA/AP Photo/Kirsty Wigglesworth)

Britain’s Queen Elizabeth II stands in front of an Asiatic lioness during a visit to officially open the new Land of the Lions, at London Zoo, Thursday, March 17, 2016. The Queen and Prince Philip visited to unveil Land of the Lions, an Asiatic lion enclosure at ZSL London Zoo. (ANSA/AP Photo/Kirsty Wigglesworth) [CopyrightNotice: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.]