Pakistan Prime Minister Imran Khan on Wednesday will lay the foundation stone for the Kartarpur corridor that will connect Gurdwara Darbar Sahib in Pakistan to Dera Baba Nanak in Gurdaspur district of Punjab. The 4-km corridor will facilitate the visit of Sikh pilgrims to the historic shrine of Gurudwara Kartarpur Sahib - the final resting place of Sikhism founder Guru Nanak. The Kartarpur Sahib Gurudwara is visible from the Indian side and every year, thousands of Sikhs gather at Dera Baba Nanak shrine for darshan.