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Warning: array_key_exists() expects parameter 2 to be array, null given in theme_image_formatter() (line 605 of /home/www/drupal/fin/modules/image/image.field.inc).September 30, 2020 (Wednesday), 13:20. This drill aims for all university members in classrooms and dormitories to practice sheltering and evacuating during the drill period (Appendix (link is external)).