721. Reference : RS-2-1-4-026

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

722. Reference : RS-2-1-4-027

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

723. Reference : RS-2-1-4-028

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

724. Reference : RS-2-1-4-029

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

725. Reference : RS-2-1-4-030

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

726. Reference : RS-2-1-4-031

Mueng Ploy, Kanchanaburi

| the students studied at Mueng Ploy (Gem mining) | Slide

727. Reference : RS-2-1-4-032

Mueng Ploy, Kanchanaburi

| the students studied at Mueng Ploy (Gem mining) | Slide

728. Reference : RS-2-1-4-033

Mueng Ploy, Kanchanaburi

| the students studied at Mueng Ploy (Gem mining) | Slide

729. Reference : RS-2-1-4-034

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

730. Reference : RS-2-1-4-035

Mueng Ploy, Kanchanaburi

| the students studied at Mueng Ploy (Gem mining) | Slide