
return function(center, surface) --small mountain
    local ce = surface.create_entity --save typing
    local fN = game.forces.neutral
    ce{name = "rock-huge", position = {center.x-2, center.y-2}, force = fN}
    ce{name = "rock-huge", position = {center.x + 2, center.y-2}, force = fN}
    ce{name = "rock-huge", position = {center.x-2, center.y + 2}, force = fN}
    ce{name = "rock-huge", position = {center.x + 2, center.y + 2}, force = fN}
end
