glacial movements

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-23-230849-9014ea3-016876#ico_minus">