epa06145119 Indian Border Security Force (BSF), Commandant, Sudeep (R), offers a box of sweets to Pakistan Rangers, Wing Commander Bilal (2-L) as Pakistani Rangers soldiers stand nearby on the occasion of India's Independence Day at India-Pakistan Joint Check Post (JCP) Attari, some 30 km from Amritsar, India, 15 August 2017. India is celebrating its 70th year of independence from British rule on 15 August 2017.  EPA/RAMINDER PAL SINGH
An Indian border security force commandant offers a box of sweets to Pakistan soldiers during independence day celebrations at a joint check post. Raminder Singh / EPA

Pakistan and India at 70: Is this a moment to be proud or to mourn lost opportunities?