HPLC 2017, Prague - June 17, Short courses and beer
Vytvořeno: 17/06/2017 14:16; Canon EOS 70D, lens: EF70-200mm f/4L IS USM @, f=5.0, exp.time: 1/80 s, ISO: 6400
IMG_9417.jpg
Ivan Miksik (c) 2017 www.natureblink.com