Hamburg Mayor Olaf Scholz (fourth from left) with the partners of G-20 summit participants during a tour of the German city's 17th-century town hall yesterday. With him in the front row are (from far left) Mrs Iriana Widodo, wife of the Indonesian President; Ms Angelica Rivera, wife of the Mexican President; Ms Juliana Awada, wife of the Argentine President; Mr Joachim Sauer, husband of the German Chancellor; US First Lady Melania Trump; Mrs Thobeka Madiba-Zuma, wife of the South African President; and Mrs Brigitte Macron, wife of the French President. Ms Ho Ching, wife of Singapore Prime Minister Lee Hsien Loong, is third from left in the last row.