Male couple kissing. Thermogram of two nude men in a same-sex relationship kissing. Thermography records surface temperatures by detecting the long-wa

---

Male couple kissing. Thermogram of two nude men in a same-sex relationship kissing. Thermography records surface temperatures by detecting the long-wavelength radiation emitted by an object. Here, the colour-coded scale runs from white (warmest) through pink, red, orange, yellow, green and blue to black (coldest).

---

Size: 3465px × 2598px
Photo credit: © THIERRY BERROD, MONA LISA PRODUCTION/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2, adult, anatomical, anatomy, arousal, background, blue, body, camera, couple, duo, erotic, foreplay, gay, healthy, homosexual, homosexuality, human, infrared, ir, kissing, love, lovers, male, man, men, mouth, naked, normal, nude, nudity, oral, pair, people, person, relationship, sensual, sex, sexology, sexual, sexuality, thermal, thermogram, thermography