Polish and Syrian archaeologists have uncovered a 1,500-year-old Christian church in the famed Roman-era desert city of Palmyra, the director of the Palmyra museum said on Thursday. The discovery was made during a dig at the site 220 kilometres (135 miles) northeast of the capital Damascus, Walid Assaad told AFP. "Christianity came to Palmyra in the year 312, at a time when Christians had begun to build churches," he said. "And this one is huge -- the biggest ever found in Syria. It dates to the fourth or fifth centuries after Jesus Christ." The rectangular building measures 12 metres by...