4051. Reference : RS-2-1-4-022

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4052. Reference : RS-2-1-4-023

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4053. Reference : RS-2-1-4-024

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4054. Reference : RS-2-1-4-025

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4055. Reference : RS-2-1-4-026

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4056. Reference : RS-2-1-4-027

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4057. Reference : RS-2-1-4-028

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4058. Reference : RS-2-1-4-029

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4059. Reference : RS-2-1-4-030

Mueng Ploy, Kanchanaburi

| Mueng Ploy (Gem mining) | Slide

4060. Reference : RS-2-1-4-031

Mueng Ploy, Kanchanaburi

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