(back) raytracing;
1. /vintageC/2025/03/2/bid-amount.html
2. /vintageC/2024/12/1/bid-amount.html
3. /vintageC/2024/08/3/bids.html
4. /vintageC/2024/08/3/bid-amount.html
5. /vintageC/2024/08/10/bids.html
6. /vintageC/2024/08/10/bid-amount.html