Complex sentence: Since an improvement in relations between India and Myanmar, travel has improved and tourism has begun nea Pangsayu Pass (at the Lake of No Return), but recent attempts to travel the full road have met with varying results.
Split into simpler sentences: Since an improvement in relations between India and Myanmar, travel has improved and tourism has begun near Pangsayu Pass (at the Lake of No Return). Recent attempts to travel the full road have met with varying results.