great circle

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-02-21-215423-b5bb284-012746#ico_minus">