#MetaplanetBTCPurchase $BTC China has completed the world's widest underwater roadway, the Jinan Huanggang Tunnel, in a record 110 days. The tunnel, spanning beneath the Yellow River, features a 55.8-foot diameter and was constructed using the Shanhe shield machine, one of the largest tunnel boring machines globally.$DOGE
$GALA Designed for six-lane traffic, the tunnel enhances connectivity between Jinan's urban center and key development zones. The rapid completion sets a new world record for underwater shield tunnel construction.
