Answer: Where the objects are placed in his photograph.
Even if your heels fit perfectly, if you try running in them, they're probably going to slip off. Now that's with regular heels, so imagine that with slippery glass heels.
I’d be angry if Leonardo da Vinci had been given credit for work that’s not his because it’s not fair to someone that worked really hard on it if he just steals it. However, I do not believe this because I understand that Leonardo da Vinci has potential and all his products were handcrafted by himself. Nothing should be done because it’s been proven his work is his.