Princess Diana arrives at Bahrain airport to begin her Royal Tour 1986

Princess Diana and Prince Charles are welcomed to Bahrain by the late Emir, Sheikh Isa Bin Sulman Al-khalifa, Manama, Bahrain 1986

Princess Diana and Prince Charles are welcomed to Bahrain by the late Emir, Sheikh Isa Bin Sulman Al-khalifa, Manama, Bahrain 1986

Princess Diana in Manama, during her Royal Tour of Bahrain 1986

Princess Diana and Prince Charles are welcomed to Bahrain by children, Manama, Bahrain 1986 (Royal biographer Andrew Morton on right with sunglasses)

Prince Charles is welcomed to Bahrain by the late Emir, Sheikh Isa Bin Sulman Al-khalifa, Manama, Bahrain 1986

Princess Diana during a Royal Tour of Bahrain November 1986

Princess Diana in Manama, during her Royal Tour of Bahrain 1986

Prince Charles and Princess Diana attend a banquet, Bahrain 1986

Princess Diana during her Royal Tour of Bahrain November 1986

Princess Diana during her Royal Tour of Bahrain November 1986