great circle

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-06-21-181906-9bd88a4-013478#ico_minus">