Backlit image of workers loaded with sulphur pieces cut out from a sulphur mine on Ijen crater lake, Java, Indonesia, Southeast Asia, Asia

backlit worker male men man adult women manual labour working sulphur mine ijen ijen volcano volcano crater java indonesia indonesian southeast asia south east asia southeast asian south east asian asia asian photography colour colour image color color image vertical vertical image outdoors outside day travel destination travel background people incidental people people in the background carrying barren mining climbing