Original sentence: April 3rd 2011 alone saw 50 trekkers with a large party of 34 from King's school in Worcester ,uk the biggest party to ever cross the Larkla pass
Edited sentence: April 3rd 2011 alone saw 50 trekkers with a large party of 34 from King's school in Worcester ,uk the biggest party to ever cross the Larkya la pass.Crossing onto the Annapurna circuit trekkers were horrified to see the mountainside being blasted away to cut a new road into  virgin rockface high above the valley floor