An aerial drone photo taken on April 28, 2025 shows the Guangzhou South Railway Station, which will be linked via a linking-up line with Guangzhou Railway Station in Guangzhou, south China's Guangdong Province. The construction of the linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station has recently been accelerated. The linking-up line will improve the transportation accessibility of the city after its completion. (Xinhua/Liu Dawei)

This photo taken on April 28, 2025 shows the construction site of a linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province. The construction of the linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station has recently been accelerated. The linking-up line will improve the transportation accessibility of the city after its completion. (Xinhua/Liu Dawei)

Staff members work at the construction site of a linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province, April 28, 2025. The construction of the linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station has recently been accelerated. The linking-up line will improve the transportation accessibility of the city after its completion. (Xinhua/Liu Dawei)

A staff member operates a giant shield tunneling machine at the construction site of a linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province, April 28, 2025. The construction of the linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station has recently been accelerated. The linking-up line will improve the transportation accessibility of the city after its completion. (Xinhua/Liu Dawei)

A technician conducts inspection before the starting of a giant shield tunneling machine at the construction site of a linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province, April 28, 2025. The construction of the linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station has recently been accelerated. The linking-up line will improve the transportation accessibility of the city after its completion. (Xinhua/Liu Dawei)

A technician conducts inspection before the starting of a giant shield tunneling machine at the construction site of a linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station in Guangzhou, south China's Guangdong Province, April 28, 2025. The construction of the linking-up line connecting Guangzhou Railway Station and Guangzhou South Railway Station has recently been accelerated. The linking-up line will improve the transportation accessibility of the city after its completion. (Xinhua/Liu Dawei)