Insect poop threatens to damage marble at India's Taj Mahal
LUCKNOW: Its gleaming white marble walls have for years been yellowed by India's air pollution and now the Taj Mahal faces a fresh threat — from green insect excrement...
Workers scrub the walls clean every day, but the regular scrubbing can damage the floral mosaics and shiny marble surface, said Bhuvan Vikram of the Archaeological Survey of India...