Security guards are seen at the 139th session of China Import and Export Fair, also known as Canton Fair in Guangzhou, in southern China's Guangdong province on April 15, 2026. (Photo by Jade GAO / AFP via Getty Images)

Buyers browser through products at the 139th session of China Import and Export Fair, also known as Canton Fair in Guangzhou, in southern China's Guangdong province on April 15, 2026. (Photo by Jade GAO / AFP via Getty Images)

People attend the 139th session of China Import and Export Fair, also known as Canton Fair in Guangzhou, in southern China's Guangdong province on April 15, 2026. (Photo by Jade GAO / AFP via Getty Images)

This photograph taken on April 13, 2026 shows Afghan men digging a mountainside along the Kunar riverbed before seiving stones in search of gold nuggets in the Song area of Ghaziabad district, Kunar province. Hundreds of men dig into the riverbed in the mountainous province of Kunar in eastern Afghanistan, searching for a few grams of gold dust, which is heavier than sand. At the foot of imposing peaks, some of which were still covered in snow in April, the Kunar River flowed through the province bordering Pakistan. (Photo by Wakil KOHSAR / AFP via Getty Images)

This photograph taken on April 13, 2026 shows Afghan men digging a mountainside along the Kunar riverbed before seiving stones in search of gold nuggets in the Song area of Ghaziabad district, Kunar province. Hundreds of men dig into the riverbed in the mountainous province of Kunar in eastern Afghanistan, searching for a few grams of gold dust, which is heavier than sand. At the foot of imposing peaks, some of which were still covered in snow in April, the Kunar River flowed through the province bordering Pakistan. (Photo by Wakil KOHSAR / AFP via Getty Images)

This photograph taken on April 13, 2026 shows an Afghan man pouring water over a seive as he sifts through mountainside stones in search of gold nuggets along the Kunar river in the Song area of Ghaziabad district, Kunar province. Hundreds of men dig into the riverbed in the mountainous province of Kunar in eastern Afghanistan, searching for a few grams of gold dust, which is heavier than sand. At the foot of imposing peaks, some of which were still covered in snow in April, the Kunar River flowed through the province bordering Pakistan. (Photo by Wakil KOHSAR / AFP via Getty Images)

This photograph taken on April 13, 2026 shows Afghan men pouring water over a seive as they sift through mountainside stones in search of gold nuggets along the Kunar river in the Song area of Ghaziabad district, Kunar province. Hundreds of men dig into the riverbed in the mountainous province of Kunar in eastern Afghanistan, searching for a few grams of gold dust, which is heavier than sand. At the foot of imposing peaks, some of which were still covered in snow in April, the Kunar River flowed through the province bordering Pakistan. (Photo by Wakil KOHSAR / AFP via Getty Images)

This photograph taken on April 13, 2026 shows Afghan men drawing water from Kunar river to sift through excavated mountainside stones in search of gold nuggets near mud-brick houses at the Kharwalu area of Naray district, Kunar province. Hundreds of men dig into the riverbed in the mountainous province of Kunar in eastern Afghanistan, searching for a few grams of gold dust, which is heavier than sand. At the foot of imposing peaks, some of which were still covered in snow in April, the Kunar River flowed through the province bordering Pakistan. (Photo by Wakil KOHSAR / AFP via Getty Images)