Swiss National Day Celebrations at the Sarasinpark in Riehen (1)
Time exposure of the fireworks display in honor of our National Day. -- Around 800 A.D., a Chinese alchemist mixed potassium nitrate, sulfur and charcoal, hoping to find the secret…
Time exposure of the fireworks display in honor of our National Day. -- Around 800 A.D., a Chinese alchemist mixed potassium nitrate, sulfur and charcoal, hoping to find the secret…