Lens and mirror stereoscopes are majorly useful for photointerpretation. Other than these, some features should be managed permanently Photograph interpretation. The characteristics need to be as follows. Form Drones, like us, are at risk of the temperature. Traveling in unfavorable conditions may be risky. The CAAB has set suggestions on https://messiahepxel.tinyblogging.com/the-smart-trick-of-aerial-photogrammetry-bangladesh-that-no-one-is-discussing-75741969