Explain the meaning of rock art and why were paintings created?

Step 1: Question 1a - Why are the paintings on the walls cracked? Cave paintings, such as those in Lascaux, are on limestone walls that naturally have cracks and fissures. Over 17,000 years, slight geological movements in the rock cause the surface to crack further. Human preservation efforts, like installing electric lights and air conditioning in the 20th century, introduced humidity changes that damaged some areas. The cracks are due to natural limestone fissures, long-term rock shifts, and modern conservation damage. Step 2: Question 1b - In which order were the paintings made / what was their purpose? The paintings were created in layers over time: first outlines in black or red, then filling with colors, sometimes overlapping animals. Purpose: likely ritual or magical (hunting magic theory), to "magnify" or ensure success in hunts by depicting animals dynamically, possibly with drums/sounds in ceremonies. Order: outlines first, then details/colors. Purpose: hunting rituals/magnification of prey. Step 3: Question 2a - What colours did they use to paint the works? Red, yellow, purple, white, and black. Step 4: Question 2b - Why do you think these specific colours were used? These are earth-based pigments easily sourced nearby: Red and yellow from iron oxide ochres (hematite/limonite). Black from charcoal or manganese oxide. White from kaolin clay. Purple/violet from manganese ore. They provide bright, vibrant shades that last thousands of years without fading, visible in dim cave light, and mixable for shading. Chosen for availability, brightness, durability, and cave visibility. Step 5: Question 2c - What tools did they use to paint with? No brushes; instead: Fingers or pads of moss/fur/leather for dabs. Small sticks/charcoal for lines. Blowing paint through hollow reeds/bones (spray technique for dots/shading). Tools: fingers, moss pads, sticks, blowpipes (reeds/bones).