Photo credits

Some technique cards use free-licence photographs from Wikimedia Commons. Each is shown cropped and resized. Thank you to the photographers.

Absence: Bench arbour 01.jpg by Acabashi, CC BY-SA 4.0
Airplane: View from the airplane window.jpg by Արման Բարսեղյան, CC BY-SA 4.0
Akriya: Twilight Stillness at Laguna de Bay.jpg by AdobongPogi, CC BY-SA 4.0
Anapanasati: Meditation sitting pose siddhasana yoga Gloria.jpg by Cohen Van der Velde, CC BY 2.0
Atisha Heart: Sunbeams, Barbados (7009149501).jpg by Berit from Redhill/Surrey, UK, CC BY 2.0
Breath Gap: Morning mist lifting from plowed field 3.jpg by W.carter, CC0
Celebrate Death: Leaves in autumn - qahan Village - Qom Province - Iran Nature 05.jpg by Mostafameraji, CC BY-SA 4.0
Center Being: Comestible rose in the Laquenexy orchard garden, Moselle, France (01).jpg by M0tty, CC BY-SA 4.0
Chakra: London King's Cross rainbow light tunnel - 2023-06-25.jpg by The wub, CC BY-SA 4.0
Change Pattern: A fork in the path, Phoenix Park, Dublin - geograph.org.uk - 2575849.jpg by P L Chadwick, CC BY-SA 2.0
Energy Up 1: Rising To Meet The Light (258796575).jpeg by Hamradio, CC BY 3.0
Energy Up 2: Lightning in Dallas 2015.jpg by NOAA Photo Library, Public domain
Feather Touch: Hand-holding-white-feather-quill (2).jpg by Swati Kamath, CC BY-SA 4.0
Heart Centering: Sequoia sempervirens bark - Flickr - brewbooks.jpg by brewbooks from near Seattle, USA, CC BY-SA 2.0
Heart Light: Like a candle flame (233107630).jpg by Andy / Andrew Fogg from near Cambridge, UK, CC BY 2.0
Hollow Bamboo: Arashiyama Bamboo Grove (Unsplash).jpg by Erol Ahmed erol, CC0
I Am: Wanderer in the grove - Halnaker - West Sussex.jpg by sagesolar, CC BY 4.0
Include All: Flooded Albizia Saman (rain tree) in the Mekong.jpg by Basile Morin, CC BY-SA 4.0
Inner Circle: Münster, Aasee, Restaurants -- 2019 -- 3464-8.jpg by Dietmar Rabich, CC BY-SA 4.0
Main Kun Hn: Copper Breaks State Park with the Milky Way Galaxy.jpg by Matthew T Rader, CC BY-SA 4.0
Market Gap: DFC 2587 A lively night market scene with hanging lanterns casting a warm glow over food stalls colorful murals and crowds of people enjoying the evening.jpg by PattayaPatrol, CC BY-SA 4.0
Music: Photoshoot with Rishab Rikhiram Sharma 01.jpg by Radhika Lal, CC BY-SA 4.0
Seeing Whole: Leach pottery-soup bowl.JPG by Theroadislong Leach Pottery soup bowl Courtesy of Bernard Leach (St Ives) Trust Ltd, CC BY-SA 3.0
Seeing Within: Woman eyes closed sad.jpg by pixabay user 422694, CC0
Sound Center: Early-morning-mist-blackwater-falls-autumn-waterfall-scene - West Virginia - ForestWander.jpg by ForestWander, CC BY-SA 3.0 us
Sound Start End: Big Bell (Bonsho) of the Zen temple "La Gendronnière" in France.jpg by Marko Kafé, CC BY-SA 4.0
Translucent Being: Candle light projected through a glass orb.jpg by W.carter, CC BY-SA 4.0
Trembling Love: Populus tremuloides (quaking aspen) (Rocky Mountains National Park, Colorado, USA) 7 (15604763208).jpg by James St. John, CC BY 2.0
True Source: Lake Sylvester during the sunrise, Kahurangi, New Zealand.jpg by Michal Klajban, CC BY-SA 4.0
Zen Laughter: Laughing Buddha.jpg by me, maurizio jaya costantino, CC BY-SA 4.0