860-291421 - 27-year-old female researcher working on nitrogen exchange between bacteria and the roots of legumes showing an example of a nodule of bacteria attached to the roots in the rainforest of the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291419 - 27-year-old researcher working in a lab on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291418 - 27-year-old researcher and her team working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291416 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291414 - 29-year-old assistant researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291413 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291409 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291410 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291408 - 27-year-old researcher and her team working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291406 - 27-year-old researcher in front of the Pracaxi legume (Pentaclethra macroloba) at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
832-400287 - Christmas eve date. December 24 on wooden calendar standing on small table with burning candles in living room, selective focus. Christmas and New Year concept
1350-2237 - Moorea, French Polynesia, Society Islands, South Pacific. On a surface of about 280m² with vanilla plants grown on artificial guardians. This type of culture helps protect it from the assaults of the sun, birds and all kinds of pests