Gradual growth of the dust coma and jets of comet 67P: a) image taken on 5 August, 2014, when the heliocentric distance was r_h = 3.60 au, only a small dust jet can be seen emanating from the Hapi region; b) 9 February, 2015, for r_h = 2.35 au, the formation of a main jet is accompanied by a few fainter jets originating from other regions; c) 10 May, 2015, for r_h = 1.67 au, a system of bright jets appears on the sunward side of the coma. The image contrast level is adjusted to log scale, ranging from −4 to −7.