Magnifying glass focusing sun light. A magnifying glass is used to focus sun light on a wooden board. The temperature in the focus increases and wood starts smouldering. A small puff of smoke is visible | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5120 px × 3405 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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