The gardens at Buckingham Palace are being opened to the public for the first time this summer, with visitors invited to come and picnic in the centuries-old grounds. Courtesy Royal Collection Trust
The gardens at Buckingham Palace are being opened to the public for the first time this summer, with visitors invited to come and picnic in the centuries-old grounds. Courtesy Royal Collection Trust

5 royal gardens to visit this summer, from Buckingham Palace to Japan’s Imperial Palace