Tapping rubber trees. From the album: Samoa (circa 1918) by Alfred James Tattersall. https://www.rawpixel.com/image/13029883/photo-image-jungle-adult-albumFree Image from public domain licenseRubber farmer at a plantation in Sri Lanka https://www.rawpixel.com/image/57273/premium-photo-image-kerala-kerala-landscape-indian-forestsView licenseEnchanting forest lane in a rubber tree plantation, Kerela, India. https://www.rawpixel.com/image/81270/premium-photo-image-dirt-growth-spring-roadView licenseEnchanting forest lane in a rubber tree plantation, Kerela, India. https://www.rawpixel.com/image/81212/premium-photo-image-india-winding-road-forestView licenseRubber farmer at a plantation in Sri Lanka https://www.rawpixel.com/image/57275/premium-photo-image-asia-asian-beardView licenseRubber farmer at a plantation in Sri Lanka https://www.rawpixel.com/image/57271/premium-photo-image-kerala-landscape-kerala-asiaView licenseSalinas, California. Intercontinental Rubber Producers. Harry Baucher, head chemist, works in the company laboratory on… https://www.rawpixel.com/image/12152425/image-face-hand-personFree Image from public domain licenseEnchanting forest lane in a rubber tree plantation, Kerela, India. https://www.rawpixel.com/image/81175/premium-photo-image-rubber-tree-kerala-forest-roadView licenseEnchanting forest lane in a rubber tree plantation, Kerela, India. https://www.rawpixel.com/image/81199/premium-photo-image-rubber-tree-forest-springView licenseReisalbum met foto's van bedrijvigheid en bezienswaardigheden op Sumatra en Java en van de reis naar en van Nederlands-Indië… https://www.rawpixel.com/image/13743531/image-background-paper-personFree Image from public domain licenseRubber farmer at a plantation in Sri Lanka https://www.rawpixel.com/image/57276/premium-photo-image-bearded-old-man-asia-asianView licenseLeidong West - Aanplant 1927 met Toeba tusschenplanting (1930 - 1939) by anonymous https://www.rawpixel.com/image/13753729/photo-image-jungle-plant-treeFree Image from public domain licenseThe Munsong cinchona plantation, Kalimpong, Bengal, India: scraping cinchona bark (used to produce the anti-malarial drug… https://www.rawpixel.com/image/13987224/photo-image-jungle-plant-personFree Image from public domain license