John gives the thumbs-up to the approaching train - you can just see the yellow one coming towards him (up above his head).
December 17, 2011@11:47

IMGP6242
1/30 sec at f / 2.8@22 mm
ISO 640
PENTAX K-7
smc PENTAX-DA* 16-50mm F2.8 ED AL [IF] SDM