Another superb edition of this perennial caver favorite. Featuring caves of France, Vietnam, Mexico, Spain, United States, Brazil, Slovenia and New Zealand. Photographers include Alexander Bengel, Dave Bunnell, Philippe Crochet, Casia Biernacka, Bob Biddex, A Zeman, Roberto F Garcia, Peter Gedei, Alex Hack, Kevin Downey, Neil Silverwood, and Rene Prevot.
 "Speleo Projects 2019 Calendar")
