“Over the decades, new issues have assumed importance in the archaeology of Harappa.” Give two evidences to justify the statement.

Over the decades, new issues have assumed importance in the archaeology of Harappa. Where some archaeologists are often keen to obtain a cultural sequence, others try to understand the logic underlying the location of specific sites. They also grapple with the wealth of artefacts, trying to figure out the functions these may have served. Specialists are using modern scientific techniques including surface exploration to recover traces of the civilisation as well to minutely analyse every scrap of available evidence.