BANGKOK (AP) — Century-old shop houses, twisting alleyways and temples scented with incense still pulsate with the pursuit of old trades and time-honored rituals of families who have lived in Bangkok’s Chinatown for generations. But probably not for much longer.

Jackhammers and cranes are closing in on one of the last historic quarters of Thailand’s capital as developers and city authorities pursue plans to build subways and high-rises — with little thought to preserving heritage.