Over centuries the quality output of the camera obscura has improved, but it was not until 1826 when Frenchman Joseph Nicephore Niepce combined the camera obscura with …
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...