, 57, previously stayed with the reclusive Yaifo tribe in the 1980s but admitted he did not know whether they would welcome his return or whether he could still manage the gruelling trek.
In his new book, Last Testament, Benedict
tells journalist Peter Seewald that in the wake of an exhausting trip to Mexico and Cuba in 2012, his physician had strongly advised him against flying long distances.
states that while he had been mentioned as a candidate for the papacy after John Paul's 26-year reign, he dismissed those rumors and thought himself too old for the office.
Speaking at the Radio Times Festival yesterday, Dominic, 38, said: "I really want Benedict
Cumberbatch to come and do a turn.
Thanks to everyone who is congratulating me but its another Sophie who is marrying Benedict
There is absolutely no doubt regarding the validity of my resignation from the Petrine ministry," Benedict
, 86, who now has the title "pope emeritus," said in a letter to the Italian website Vatican Insider published on Wednesday.
It was the first time Benedict
and Francis have appeared together at a public liturgical ceremony since Benedict
retired a year ago, becoming the first pope to step down in more than 600 years.
is highly recognized for its open door policy; which allows applicants to be admired with a GED certificate.
will leave by helicopter from Castel Gandolfo outside Rome, the papal lakeside residence where he has been staying since he stepped down at the end of February, and is expected to touch down in the Vatican at around 1430 GMT.
was waiting at the helipad of the Papal summer residence Castel Gandolfo, where the pair embraced after Francis landed.
Vatican City: Pope Francis flew in to a papal residence near Rome on Saturday for an unprecedented encounter with "pope emeritus" Benedict
XVI -- the first time a pontiff has met his predecessor.
XVI last night become the first pope in 600 years to resign, ending an eight-year pontificate shaped by struggles to move the church past sex abuse scandals and to reawaken Christianity in an indifferent world.
XVI has left the Vatican for the last time as pope, flying by helicopter to the Vatican's vacation retreat hours before becoming the first pontiff to resign in 600 years.
SUMMER HOME: Pope Benedict
XVI greets the crowd from the window of the Pope's summer residence of Castel Gandolfo (top), after leaving the vatican by car and helicopter for the last time.
jammed the piazza to bid Benedict
farewell and hear his final speech as pontiff.