hammer_and_pick.png
	Public domain
	https://commons.wikimedia.org/wiki/File:Schlaegel_und_Eisen_nach_DIN_21800.svg
	
plant.png
population.png
	Modified from originals from Freepik (https://www.flaticon.com/authors/freepik), free to use with attribution
	https://www.flaticon.com/free-icon/growing-plant_25207
	https://www.flaticon.com/free-icon/user_1077063
	
red_diamond.png
	Modified from Starsector's danger3.png