A massive link-up of 17 alpine summits pushes a famed climbing duo to the brink - and into each others' arms. A massive link-up of 17 alpine summits pushes a famed climbing duo to the brink - and into each others' arms. A massive link-up of 17 alpine summits pushes a famed climbing duo to the brink - and into each others' arms. A massive link-up of 17 alpine summits pushes a famed climbing duo to the brink - and into each others' arms.